| Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
| 1
|
Atomic bombings of Hiroshima and Nagasaki
|
641,824
|
20,704
|
GA
|
High
|
| 2
|
Jimmy Carter
|
478,258
|
15,427
|
GA
|
High
|
| 3
|
Earth
|
460,860
|
14,866
|
FA
|
Top
|
| 4
|
David Attenborough
|
193,859
|
6,253
|
GA
|
High
|
| 5
|
Thermonuclear weapon
|
193,811
|
6,251
|
C
|
High
|
| 6
|
Nuclear weapon
|
192,843
|
6,220
|
C
|
High
|
| 7
|
Bhopal disaster
|
184,186
|
5,941
|
B
|
High
|
| 8
|
Tsar Bomba
|
181,422
|
5,852
|
B
|
High
|
| 9
|
Trinity (nuclear test)
|
174,931
|
5,642
|
FA
|
High
|
| 10
|
Industrial Revolution
|
151,048
|
4,872
|
C
|
Mid
|
| 11
|
Tesla Cybertruck
|
144,293
|
4,654
|
C
|
Mid
|
| 12
|
Charles Darwin
|
140,949
|
4,546
|
FA
|
High
|
| 13
|
Fukushima nuclear accident
|
140,837
|
4,543
|
B
|
High
|
| 14
|
Silent Spring
|
140,768
|
4,540
|
B
|
High
|
| 15
|
Greta Thunberg
|
139,930
|
4,513
|
GA
|
High
|
| 16
|
Al Gore
|
138,414
|
4,464
|
GA
|
Mid
|
| 17
|
World population
|
130,269
|
4,202
|
B
|
Top
|
| 18
|
Rivian
|
126,321
|
4,074
|
Start
|
Low
|
| 19
|
Sustainable Development Goals
|
123,798
|
3,993
|
C
|
High
|
| 20
|
Asbestos
|
113,282
|
3,654
|
B
|
High
|
| 21
|
Climate change
|
109,289
|
3,525
|
FA
|
Top
|
| 22
|
Ed Begley Jr.
|
108,470
|
3,499
|
Start
|
Mid
|
| 23
|
BP
|
98,924
|
3,191
|
B
|
High
|
| 24
|
Amazon rainforest
|
92,849
|
2,995
|
B
|
Top
|
| 25
|
Laurie David
|
92,556
|
2,985
|
C
|
Low
|
| 26
|
Fungus
|
92,086
|
2,970
|
FA
|
High
|
| 27
|
Erin Brockovich (film)
|
91,206
|
2,942
|
C
|
Low
|
| 28
|
Ocean
|
90,282
|
2,912
|
B
|
High
|
| 29
|
Three Mile Island accident
|
89,737
|
2,894
|
B
|
High
|
| 30
|
Carbon dioxide
|
88,382
|
2,851
|
C
|
High
|
| 31
|
Mercury (element)
|
88,308
|
2,848
|
GA
|
High
|
| 32
|
Petroleum
|
84,719
|
2,732
|
C
|
High
|
| 33
|
Kardashev scale
|
83,063
|
2,679
|
C
|
Low
|
| 34
|
Cancer
|
81,900
|
2,641
|
B
|
High
|
| 35
|
Agent Orange
|
81,072
|
2,615
|
GA
|
High
|
| 36
|
Sustainable development
|
78,732
|
2,539
|
C
|
Top
|
| 37
|
Lead
|
76,228
|
2,458
|
FA
|
High
|
| 38
|
Agriculture
|
75,460
|
2,434
|
GA
|
High
|
| 39
|
The Day After Tomorrow
|
74,297
|
2,396
|
C
|
Mid
|
| 40
|
Shell plc
|
73,630
|
2,375
|
B
|
Low
|
| 41
|
Castle Bravo
|
73,375
|
2,366
|
C
|
High
|
| 42
|
Formula E
|
69,161
|
2,231
|
C
|
Low
|
| 43
|
Tree
|
68,396
|
2,206
|
GA
|
Low
|
| 44
|
Air pollution
|
67,836
|
2,188
|
B
|
Top
|
| 45
|
Atmosphere of Earth
|
67,735
|
2,185
|
C
|
High
|
| 46
|
Earth Hour
|
67,129
|
2,165
|
C
|
Mid
|
| 47
|
Solar panel
|
67,116
|
2,165
|
C
|
High
|
| 48
|
Salton Sea
|
65,793
|
2,122
|
B
|
Mid
|
| 49
|
El Niño–Southern Oscillation
|
65,733
|
2,120
|
C
|
High
|
| 50
|
Fisker Inc.
|
65,329
|
2,107
|
C
|
Low
|
| 51
|
Waterworld
|
65,178
|
2,102
|
C
|
Unknown
|
| 52
|
Three Gorges Dam
|
64,997
|
2,096
|
GA
|
Mid
|
| 53
|
ExxonMobil
|
64,565
|
2,082
|
B
|
Mid
|
| 54
|
Cigarette
|
63,835
|
2,059
|
B
|
Mid
|
| 55
|
Dust Bowl
|
63,599
|
2,051
|
B
|
Mid
|
| 56
|
Chlorine
|
63,576
|
2,050
|
GA
|
Mid
|
| 57
|
Pollution
|
63,000
|
2,032
|
B
|
Top
|
| 58
|
Water pollution
|
61,022
|
1,968
|
B
|
High
|
| 59
|
Willem-Alexander of the Netherlands
|
60,248
|
1,943
|
C
|
Low
|
| 60
|
Ecocide
|
59,296
|
1,912
|
C
|
Mid
|
| 61
|
Toyota Prius
|
58,692
|
1,893
|
B
|
Mid
|
| 62
|
Ice age
|
57,742
|
1,862
|
B
|
High
|
| 63
|
Benzene
|
57,714
|
1,861
|
B
|
High
|
| 64
|
List of countries by air pollution
|
55,504
|
1,790
|
List
|
Low
|
| 65
|
Environmental, social, and governance
|
54,955
|
1,772
|
C
|
Mid
|
| 66
|
Extinction
|
54,601
|
1,761
|
C
|
High
|
| 67
|
Tesla Model 3
|
54,529
|
1,759
|
B
|
Low
|
| 68
|
Biodiversity
|
53,816
|
1,736
|
C
|
Top
|
| 69
|
Greenhouse gas
|
53,786
|
1,735
|
B
|
Top
|
| 70
|
Tesla Model Y
|
52,920
|
1,707
|
C
|
Mid
|
| 71
|
Palm oil
|
52,615
|
1,697
|
B
|
Mid
|
| 72
|
Plutonium
|
51,905
|
1,674
|
FA
|
High
|
| 73
|
Deepwater Horizon oil spill
|
51,750
|
1,669
|
C
|
High
|
| 74
|
Ecosystem
|
51,125
|
1,649
|
B
|
Top
|
| 75
|
IUCN Red List
|
50,751
|
1,637
|
C
|
Mid
|
| 76
|
Bicycle
|
50,684
|
1,634
|
C
|
High
|
| 77
|
Earth Day
|
50,629
|
1,633
|
C
|
High
|
| 78
|
Plastic
|
50,614
|
1,632
|
B
|
High
|
| 79
|
Dark Waters (2019 film)
|
50,223
|
1,620
|
Start
|
Low
|
| 80
|
Prisoner's dilemma
|
50,045
|
1,614
|
C
|
High
|
| 81
|
Abiogenesis
|
49,500
|
1,596
|
GA
|
High
|
| 82
|
World Water Day
|
49,177
|
1,586
|
C
|
Unknown
|
| 83
|
Carbon monoxide
|
48,563
|
1,566
|
B
|
High
|
| 84
|
Radioactive decay
|
48,435
|
1,562
|
C
|
High
|
| 85
|
Nuclear fission
|
48,427
|
1,562
|
B
|
High
|
| 86
|
Life
|
48,298
|
1,558
|
GA
|
Top
|
| 87
|
Acute radiation syndrome
|
48,183
|
1,554
|
B
|
Mid
|
| 88
|
Coal
|
47,096
|
1,519
|
C
|
Top
|
| 89
|
Arsenic
|
46,968
|
1,515
|
B
|
High
|
| 90
|
Waste management
|
46,784
|
1,509
|
B
|
Mid
|
| 91
|
Tesla Model S
|
46,485
|
1,499
|
B
|
Low
|
| 92
|
Bidet
|
46,459
|
1,498
|
C
|
Unknown
|
| 93
|
Happy Feet
|
46,073
|
1,486
|
B
|
Unknown
|
| 94
|
Epigenetics
|
45,857
|
1,479
|
B
|
Mid
|
| 95
|
Monsanto
|
45,447
|
1,466
|
C
|
Mid
|
| 96
|
Conservation status
|
45,123
|
1,455
|
C
|
Mid
|
| 97
|
Renewable energy
|
45,025
|
1,452
|
C
|
Top
|
| 98
|
Holocene extinction
|
44,481
|
1,434
|
B
|
High
|
| 99
|
Greenhouse effect
|
44,339
|
1,430
|
C
|
Top
|
| 100
|
Fossil fuel
|
43,829
|
1,413
|
C
|
High
|
| 101
|
Sustainability
|
43,636
|
1,407
|
B
|
High
|
| 102
|
Christiana Figueres
|
42,805
|
1,380
|
C
|
Low
|
| 103
|
Rachel Carson
|
42,737
|
1,378
|
FA
|
High
|
| 104
|
Deforestation
|
42,675
|
1,376
|
B
|
Top
|
| 105
|
Algae
|
42,575
|
1,373
|
B
|
Mid
|
| 106
|
DDT
|
42,283
|
1,363
|
B
|
High
|
| 107
|
Botany
|
42,262
|
1,363
|
GA
|
High
|
| 108
|
Biotechnology
|
42,209
|
1,361
|
C
|
High
|
| 109
|
Ecology
|
41,767
|
1,347
|
GA
|
Top
|
| 110
|
Polystyrene
|
41,002
|
1,322
|
B
|
High
|
| 111
|
Electric vehicle
|
40,831
|
1,317
|
C
|
Mid
|
| 112
|
Younger Dryas
|
40,798
|
1,316
|
B
|
Low
|
| 113
|
Mustard gas
|
40,738
|
1,314
|
B
|
Mid
|
| 114
|
Recycling
|
40,608
|
1,309
|
B
|
Top
|
| 115
|
Ozone
|
40,354
|
1,301
|
B
|
Mid
|
| 116
|
Air conditioning
|
40,112
|
1,293
|
C
|
High
|
| 117
|
3M
|
39,959
|
1,289
|
B
|
Unknown
|
| 118
|
European emission standards
|
39,886
|
1,286
|
B
|
Mid
|
| 119
|
Paris Agreement
|
39,798
|
1,283
|
GA
|
Top
|
| 120
|
Diesel fuel
|
39,779
|
1,283
|
C
|
Mid
|
| 121
|
Prokaryote
|
39,307
|
1,267
|
C
|
High
|
| 122
|
Tragedy of the commons
|
39,193
|
1,264
|
B
|
High
|
| 123
|
Mutual assured destruction
|
39,132
|
1,262
|
Start
|
High
|
| 124
|
Al-Khwarizmi
|
39,013
|
1,258
|
B
|
Low
|
| 125
|
BMW i8
|
38,773
|
1,250
|
C
|
High
|
| 126
|
Bromine
|
38,763
|
1,250
|
GA
|
Mid
|
| 127
|
Tundra
|
38,723
|
1,249
|
B
|
Low
|
| 128
|
Green Party of the United States
|
38,526
|
1,242
|
C
|
Mid
|
| 129
|
Biome
|
38,459
|
1,240
|
C
|
High
|
| 130
|
Microorganism
|
38,036
|
1,226
|
GA
|
High
|
| 131
|
Lucid Motors
|
37,895
|
1,222
|
C
|
Mid
|
| 132
|
Nuclear power
|
37,756
|
1,217
|
GA
|
High
|
| 133
|
Corporate social responsibility
|
37,485
|
1,209
|
B
|
Mid
|
| 134
|
Nuclear holocaust
|
37,461
|
1,208
|
C
|
High
|
| 135
|
Natural resource
|
36,656
|
1,182
|
C
|
Top
|
| 136
|
Nuclear warfare
|
36,430
|
1,175
|
C
|
Unknown
|
| 137
|
Per- and polyfluoroalkyl substances
|
36,362
|
1,172
|
C
|
High
|
| 138
|
Acid rain
|
36,162
|
1,166
|
B
|
Top
|
| 139
|
Nature
|
36,081
|
1,163
|
GA
|
Top
|
| 140
|
Chernobyl Nuclear Power Plant
|
35,655
|
1,150
|
B
|
High
|
| 141
|
Chernobyl
|
35,277
|
1,137
|
B
|
High
|
| 142
|
Mining
|
34,974
|
1,128
|
B
|
High
|
| 143
|
Natural environment
|
34,826
|
1,123
|
B
|
High
|
| 144
|
Little Ice Age
|
34,790
|
1,122
|
B
|
High
|
| 145
|
Anthropocene
|
34,787
|
1,122
|
B
|
Mid
|
| 146
|
World Wide Fund for Nature
|
34,576
|
1,115
|
C
|
Mid
|
| 147
|
Xiaomi SU7
|
34,461
|
1,111
|
Start
|
Low
|
| 148
|
Ozone layer
|
34,370
|
1,108
|
C
|
High
|
| 149
|
Kyoto Protocol
|
34,261
|
1,105
|
C
|
High
|
| 150
|
Malthusianism
|
33,939
|
1,094
|
B
|
Low
|
| 151
|
Nuclear power plant
|
33,865
|
1,092
|
C
|
High
|
| 152
|
Soil
|
33,626
|
1,084
|
B
|
Top
|
| 153
|
Wind turbine
|
33,479
|
1,079
|
GA
|
Mid
|
| 154
|
Exxon Valdez oil spill
|
33,419
|
1,078
|
B
|
Unknown
|
| 155
|
John Thune
|
33,141
|
1,069
|
C
|
Low
|
| 156
|
Projections of population growth
|
32,870
|
1,060
|
B
|
High
|
| 157
|
Last Glacial Period
|
32,592
|
1,051
|
B
|
Low
|
| 158
|
Effects of nuclear explosions
|
32,534
|
1,049
|
B
|
High
|
| 159
|
John Muir
|
32,351
|
1,043
|
B
|
Unknown
|
| 160
|
Hydroelectricity
|
32,268
|
1,040
|
C
|
High
|
| 161
|
Tesla Model X
|
32,197
|
1,038
|
C
|
Unknown
|
| 162
|
Noise pollution
|
32,157
|
1,037
|
C
|
Mid
|
| 163
|
15-minute city
|
31,983
|
1,031
|
C
|
High
|
| 164
|
Diesel exhaust fluid
|
31,883
|
1,028
|
C
|
Low
|
| 165
|
Rainforest
|
31,876
|
1,028
|
C
|
High
|
| 166
|
Susan Collins
|
31,858
|
1,027
|
C
|
Low
|
| 167
|
BYD Seagull
|
31,801
|
1,025
|
Start
|
Unknown
|
| 168
|
Fracking
|
31,729
|
1,023
|
C
|
Top
|
| 169
|
Tesla Roadster (first generation)
|
31,670
|
1,021
|
B
|
Low
|
| 170
|
Arts and Crafts movement
|
31,645
|
1,020
|
B
|
Low
|
| 171
|
Glyphosate
|
31,455
|
1,014
|
B
|
Mid
|
| 172
|
Great Smog of London
|
31,349
|
1,011
|
B
|
Low
|
| 173
|
Water cycle
|
31,171
|
1,005
|
C
|
High
|
| 174
|
David Bale
|
30,981
|
999
|
C
|
Low
|
| 175
|
Fuel cell
|
30,907
|
997
|
B
|
High
|
| 176
|
Electric car
|
29,874
|
963
|
C
|
High
|
| 177
|
Chipko movement
|
29,868
|
963
|
C
|
High
|
| 178
|
Halliburton
|
29,690
|
957
|
B
|
Unknown
|
| 179
|
Ivy Mike
|
29,581
|
954
|
C
|
High
|
| 180
|
Volkswagen emissions scandal
|
29,493
|
951
|
C
|
High
|
| 181
|
FernGully: The Last Rainforest
|
29,478
|
950
|
GA
|
Low
|
| 182
|
Glacier
|
29,368
|
947
|
B
|
Low
|
| 183
|
Plug-in hybrid
|
29,273
|
944
|
B
|
Mid
|
| 184
|
Weed
|
29,254
|
943
|
B
|
High
|
| 185
|
Hydrazine
|
29,248
|
943
|
B
|
Mid
|
| 186
|
Fusion power
|
29,165
|
940
|
B
|
Low
|
| 187
|
Organic farming
|
29,053
|
937
|
B
|
Top
|
| 188
|
Carcinogen
|
28,553
|
921
|
C
|
High
|
| 189
|
Van Jones
|
28,402
|
916
|
C
|
High
|
| 190
|
United States Environmental Protection Agency
|
28,363
|
914
|
B
|
High
|
| 191
|
Carbon dioxide in Earth's atmosphere
|
28,217
|
910
|
C
|
Mid
|
| 192
|
Solar cell
|
28,070
|
905
|
B
|
High
|
| 193
|
Fisker Karma
|
28,052
|
904
|
B
|
Mid
|
| 194
|
Nuclear and radiation accidents and incidents
|
28,026
|
904
|
B
|
High
|
| 195
|
Chlorofluorocarbon
|
27,885
|
899
|
B
|
Top
|
| 196
|
Solar energy
|
27,821
|
897
|
B
|
High
|
| 197
|
Air quality index
|
27,742
|
894
|
C
|
Mid
|
| 198
|
Walden
|
27,734
|
894
|
C
|
Unknown
|
| 199
|
International Union for Conservation of Nature
|
27,726
|
894
|
C
|
Mid
|
| 200
|
Music of the Spheres World Tour
|
27,717
|
894
|
GA
|
Mid
|
| 201
|
Windmill
|
27,681
|
892
|
B
|
High
|
| 202
|
Pathogen
|
27,665
|
892
|
B
|
High
|
| 203
|
Polonium
|
27,546
|
888
|
GA
|
Mid
|
| 204
|
Critically Endangered
|
27,446
|
885
|
Start
|
Mid
|
| 205
|
Ozone depletion
|
27,383
|
883
|
B
|
High
|
| 206
|
Hexavalent chromium
|
27,348
|
882
|
B
|
High
|
| 207
|
Population growth
|
27,345
|
882
|
C
|
High
|
| 208
|
Rainwater harvesting
|
27,338
|
881
|
C
|
Mid
|
| 209
|
Dichloromethane
|
27,301
|
880
|
B
|
Low
|
| 210
|
Political positions of the Republican Party (United States)
|
27,283
|
880
|
C
|
Mid
|
| 211
|
Invasive species
|
27,213
|
877
|
GA
|
High
|
| 212
|
Albedo
|
27,141
|
875
|
B
|
Mid
|
| 213
|
BMW i3
|
27,090
|
873
|
B
|
High
|
| 214
|
Carbon footprint
|
26,878
|
867
|
C
|
Mid
|
| 215
|
Weapon of mass destruction
|
26,864
|
866
|
C
|
Mid
|
| 216
|
Nuclear weapons and Israel
|
26,702
|
861
|
B
|
Low
|
| 217
|
Russia and weapons of mass destruction
|
26,685
|
860
|
Start
|
High
|
| 218
|
Porsche Taycan
|
26,449
|
853
|
B
|
High
|
| 219
|
Nuclear fallout
|
26,447
|
853
|
C
|
Top
|
| 220
|
Svalbard Global Seed Vault
|
26,322
|
849
|
B
|
Mid
|
| 221
|
Chernobyl exclusion zone
|
26,259
|
847
|
C
|
High
|
| 222
|
Endangered species
|
26,255
|
846
|
C
|
High
|
| 223
|
United Nations Framework Convention on Climate Change
|
26,121
|
842
|
C
|
High
|
| 224
|
Eutrophication
|
25,847
|
833
|
B
|
High
|
| 225
|
Microplastics
|
25,778
|
831
|
C
|
Top
|
| 226
|
Electrolysis of water
|
25,730
|
830
|
C
|
Low
|
| 227
|
Depleted uranium
|
25,687
|
828
|
B
|
High
|
| 228
|
Hydrogen vehicle
|
25,655
|
827
|
B
|
High
|
| 229
|
Kessler syndrome
|
25,534
|
823
|
Start
|
Low
|
| 230
|
Sewage treatment
|
25,490
|
822
|
B
|
High
|
| 231
|
Buckminster Fuller
|
25,419
|
819
|
C
|
Low
|
| 232
|
Wildlife
|
25,243
|
814
|
C
|
High
|
| 233
|
Nuclear winter
|
25,210
|
813
|
B
|
Low
|
| 234
|
Wind power
|
24,990
|
806
|
B
|
High
|
| 235
|
List of global issues
|
24,989
|
806
|
List
|
Low
|
| 236
|
Great Pacific garbage patch
|
24,961
|
805
|
C
|
Mid
|
| 237
|
Pesticide
|
24,893
|
803
|
B
|
Mid
|
| 238
|
Debate over the atomic bombings of Hiroshima and Nagasaki
|
24,798
|
799
|
B
|
Mid
|
| 239
|
Rimac Nevera
|
24,735
|
797
|
Start
|
Unknown
|
| 240
|
Civilian Conservation Corps
|
24,631
|
794
|
B
|
High
|
| 241
|
Toyota Mirai
|
24,522
|
791
|
B
|
High
|
| 242
|
Genetically modified organism
|
24,496
|
790
|
GA
|
Mid
|
| 243
|
Extinct in the wild
|
24,419
|
787
|
Start
|
Mid
|
| 244
|
Greenpeace
|
24,138
|
778
|
C
|
High
|
| 245
|
Photovoltaics
|
24,111
|
777
|
B
|
Mid
|
| 246
|
Least-concern species
|
24,073
|
776
|
Start
|
Low
|
| 247
|
Nevada Test Site
|
24,026
|
775
|
B
|
Mid
|
| 248
|
Genetically modified food
|
23,838
|
768
|
B
|
Mid
|
| 249
|
Fisker Ocean
|
23,833
|
768
|
C
|
Unknown
|
| 250
|
United Nations Convention on the Law of the Sea
|
23,766
|
766
|
C
|
High
|
| 251
|
Drought
|
23,574
|
760
|
C
|
High
|
| 252
|
Stream
|
23,566
|
760
|
Start
|
Mid
|
| 253
|
Cape Town water crisis
|
23,561
|
760
|
B
|
Low
|
| 254
|
Minamata disease
|
23,514
|
758
|
B
|
Unknown
|
| 255
|
Permaculture
|
23,473
|
757
|
GA
|
Mid
|
| 256
|
Love Canal
|
23,463
|
756
|
B
|
High
|
| 257
|
Polychlorinated biphenyl
|
23,375
|
754
|
B
|
High
|
| 258
|
Acetaldehyde
|
23,332
|
752
|
B
|
Mid
|
| 259
|
Environmental issues
|
23,213
|
748
|
B
|
Top
|
| 260
|
Enriched uranium
|
23,178
|
747
|
B
|
Mid
|
| 261
|
Biogas
|
23,086
|
744
|
C
|
Mid
|
| 262
|
Human impact on the environment
|
23,074
|
744
|
C
|
Top
|
| 263
|
Portland cement
|
23,038
|
743
|
B
|
High
|
| 264
|
Highest temperature recorded on Earth
|
22,995
|
741
|
C
|
Mid
|
| 265
|
Nuclear weapons testing
|
22,982
|
741
|
C
|
High
|
| 266
|
Compost
|
22,791
|
735
|
B
|
Low
|
| 267
|
Tesla Roadster (second generation)
|
22,738
|
733
|
Start
|
Low
|
| 268
|
Drinking water
|
22,414
|
723
|
B
|
High
|
| 269
|
Median lethal dose
|
22,406
|
722
|
Start
|
High
|
| 270
|
Old-growth forest
|
22,355
|
721
|
C
|
Mid
|
| 271
|
Alliance 90/The Greens
|
22,340
|
720
|
B
|
Mid
|
| 272
|
Segway
|
22,303
|
719
|
C
|
Unknown
|
| 273
|
Food security
|
22,195
|
715
|
C
|
Low
|
| 274
|
National park
|
22,110
|
713
|
C
|
High
|
| 275
|
Fast fashion
|
22,094
|
712
|
C
|
Mid
|
| 276
|
Water conservation
|
22,045
|
711
|
C
|
High
|
| 277
|
Waterfall
|
22,034
|
710
|
B
|
Mid
|
| 278
|
Greenhouse gas emissions
|
22,032
|
710
|
C
|
Top
|
| 279
|
Solar power
|
21,937
|
707
|
B
|
High
|
| 280
|
Bisphenol A
|
21,842
|
704
|
GA
|
High
|
| 281
|
Patagonia, Inc.
|
21,812
|
703
|
C
|
Low
|
| 282
|
National Oceanic and Atmospheric Administration
|
21,587
|
696
|
Start
|
Mid
|
| 283
|
Phosgene
|
21,537
|
694
|
B
|
Mid
|
| 284
|
Quality of life
|
21,537
|
694
|
Start
|
Mid
|
| 285
|
Sunlight
|
21,536
|
694
|
B
|
Low
|
| 286
|
Solarpunk
|
21,452
|
692
|
B
|
Low
|
| 287
|
NIMBY
|
21,441
|
691
|
B
|
Mid
|
| 288
|
Cistern
|
21,413
|
690
|
Start
|
Mid
|
| 289
|
Hybrid vehicle
|
21,273
|
686
|
C
|
High
|
| 290
|
Will Attenborough
|
21,186
|
683
|
Start
|
Low
|
| 291
|
Tetraethyllead
|
21,153
|
682
|
C
|
High
|
| 292
|
Pew Research Center
|
21,066
|
679
|
C
|
Low
|
| 293
|
Volatile organic compound
|
21,050
|
679
|
C
|
Mid
|
| 294
|
An Inconvenient Truth
|
20,982
|
676
|
GA
|
Mid
|
| 295
|
Electric car use by country
|
20,915
|
674
|
B
|
High
|
| 296
|
Nissan Leaf
|
20,912
|
674
|
B
|
High
|
| 297
|
Honda Insight
|
20,905
|
674
|
B
|
Low
|
| 298
|
Economic growth
|
20,732
|
668
|
B
|
Unknown
|
| 299
|
People Animals Nature
|
20,677
|
667
|
Start
|
Low
|
| 300
|
Centralia mine fire
|
20,626
|
665
|
C
|
Mid
|
| 301
|
Michael Shellenberger
|
20,552
|
662
|
C
|
Low
|
| 302
|
Jungle
|
20,461
|
660
|
C
|
Mid
|
| 303
|
Herbicide
|
20,397
|
657
|
C
|
High
|
| 304
|
History of the electric vehicle
|
20,327
|
655
|
B
|
Unknown
|
| 305
|
Greenwashing
|
20,322
|
655
|
C
|
Mid
|
| 306
|
Permafrost
|
20,308
|
655
|
GA
|
Low
|
| 307
|
Warfarin
|
20,276
|
654
|
GA
|
Mid
|
| 308
|
Fresh water
|
20,255
|
653
|
C
|
High
|
| 309
|
Hanford Site
|
20,227
|
652
|
FA
|
Mid
|
| 310
|
Carbon tax
|
20,067
|
647
|
C
|
High
|
| 311
|
Poaching
|
20,043
|
646
|
B
|
Top
|
| 312
|
Carbon offsets and credits
|
20,033
|
646
|
B
|
High
|
| 313
|
Ecotourism
|
19,946
|
643
|
C
|
High
|
| 314
|
Milankovitch cycles
|
19,944
|
643
|
B
|
Low
|
| 315
|
Landfill
|
19,910
|
642
|
C
|
Mid
|
| 316
|
Gasoline direct injection
|
19,653
|
633
|
C
|
Mid
|
| 317
|
Carbon capture and storage
|
19,638
|
633
|
C
|
Mid
|
| 318
|
Trade winds
|
19,626
|
633
|
GA
|
Mid
|
| 319
|
International Atomic Energy Agency
|
19,623
|
633
|
C
|
Mid
|
| 320
|
Megadiverse countries
|
19,620
|
632
|
Start
|
Mid
|
| 321
|
BYD Seal
|
19,538
|
630
|
Stub
|
Unknown
|
| 322
|
Resource
|
19,527
|
629
|
C
|
High
|
| 323
|
Incineration
|
19,525
|
629
|
B
|
Mid
|
| 324
|
United Nations Environment Programme
|
19,510
|
629
|
B
|
Mid
|
| 325
|
Sea level rise
|
19,476
|
628
|
GA
|
High
|
| 326
|
Biological warfare
|
19,468
|
628
|
B
|
High
|
| 327
|
Goiânia accident
|
19,425
|
626
|
C
|
Mid
|
| 328
|
Deb Haaland
|
19,401
|
625
|
B
|
Low
|
| 329
|
Plastic pollution
|
19,400
|
625
|
B
|
High
|
| 330
|
Intergovernmental Panel on Climate Change
|
19,397
|
625
|
B
|
High
|
| 331
|
Biofuel
|
19,379
|
625
|
C
|
Low
|
| 332
|
Hinkley Point C nuclear power station
|
19,373
|
624
|
C
|
Mid
|
| 333
|
United Nations Climate Change Conference
|
19,282
|
622
|
C
|
Unknown
|
| 334
|
Seawater
|
19,199
|
619
|
C
|
High
|
| 335
|
Climate change denial
|
19,187
|
618
|
C
|
High
|
| 336
|
Atlantic meridional overturning circulation
|
19,153
|
617
|
C
|
Low
|
| 337
|
The Limits to Growth
|
19,036
|
614
|
B
|
Low
|
| 338
|
Styrene
|
19,020
|
613
|
Start
|
High
|
| 339
|
Wangari Maathai
|
18,998
|
612
|
B
|
High
|
| 340
|
Nitrogen fixation
|
18,964
|
611
|
B
|
Mid
|
| 341
|
Nio Inc.
|
18,955
|
611
|
Start
|
Low
|
| 342
|
Deepwater Horizon explosion
|
18,948
|
611
|
C
|
Unknown
|
| 343
|
Risk
|
18,948
|
611
|
C
|
High
|
| 344
|
Life-cycle assessment
|
18,926
|
610
|
B
|
Top
|
| 345
|
Combined Charging System
|
18,850
|
608
|
Start
|
Mid
|
| 346
|
Wastewater treatment
|
18,818
|
607
|
C
|
High
|
| 347
|
William Kamkwamba
|
18,713
|
603
|
C
|
Unknown
|
| 348
|
Millennium Development Goals
|
18,660
|
601
|
B
|
Mid
|
| 349
|
Omar Fayed
|
18,658
|
601
|
Start
|
Unknown
|
| 350
|
Water purification
|
18,577
|
599
|
B
|
High
|
| 351
|
Environmental science
|
18,562
|
598
|
C
|
Unknown
|
| 352
|
Environmental protection
|
18,559
|
598
|
C
|
Top
|
| 353
|
Teratology
|
18,490
|
596
|
C
|
Mid
|
| 354
|
1966 Palomares B-52 crash
|
18,434
|
594
|
B
|
High
|
| 355
|
Global catastrophic risk
|
18,433
|
594
|
B
|
High
|
| 356
|
Earthrise
|
18,383
|
593
|
C
|
High
|
| 357
|
Tesla Semi
|
18,363
|
592
|
C
|
Low
|
| 358
|
Breeder reactor
|
18,333
|
591
|
C
|
Low
|
| 359
|
Electronic waste
|
18,327
|
591
|
C
|
Unknown
|
| 360
|
Gaia hypothesis
|
18,296
|
590
|
C
|
Low
|
| 361
|
Permethrin
|
18,128
|
584
|
C
|
Low
|
| 362
|
CITES
|
18,111
|
584
|
C
|
Mid
|
| 363
|
Petrochemical
|
18,084
|
583
|
Start
|
High
|
| 364
|
Roundup (herbicide)
|
18,077
|
583
|
C
|
High
|
| 365
|
Zone rouge
|
18,055
|
582
|
Start
|
Mid
|
| 366
|
North American Charging Standard
|
18,048
|
582
|
C
|
Unknown
|
| 367
|
Desertification
|
18,032
|
581
|
C
|
High
|
| 368
|
Last Glacial Maximum
|
17,995
|
580
|
C
|
Mid
|
| 369
|
Hybrid electric vehicle
|
17,982
|
580
|
B
|
Mid
|
| 370
|
Aquaculture
|
17,971
|
579
|
B
|
Low
|
| 371
|
International Nuclear Event Scale
|
17,907
|
577
|
C
|
Mid
|
| 372
|
Hydrogen production
|
17,806
|
574
|
C
|
Mid
|
| 373
|
Chevrolet Volt
|
17,789
|
573
|
B
|
High
|
| 374
|
Arbor Day
|
17,764
|
573
|
C
|
High
|
| 375
|
Oil spill
|
17,717
|
571
|
B
|
Low
|
| 376
|
Montreal Protocol
|
17,672
|
570
|
B
|
High
|
| 377
|
Doomer
|
17,629
|
568
|
Start
|
Low
|
| 378
|
Sanitation
|
17,616
|
568
|
B
|
High
|
| 379
|
Nuclear testing at Bikini Atoll
|
17,582
|
567
|
B
|
High
|
| 380
|
Food web
|
17,580
|
567
|
B
|
High
|
| 381
|
Aerosol
|
17,575
|
566
|
B
|
High
|
| 382
|
Environmental degradation
|
17,501
|
564
|
C
|
Top
|
| 383
|
Hinkley groundwater contamination
|
17,445
|
562
|
Start
|
Low
|
| 384
|
Circular economy
|
17,414
|
561
|
Start
|
Mid
|
| 385
|
Lucid Air
|
17,330
|
559
|
C
|
Low
|
| 386
|
Smog
|
17,290
|
557
|
B
|
Mid
|
| 387
|
Neurotoxin
|
17,219
|
555
|
B
|
High
|
| 388
|
Jevons paradox
|
17,195
|
554
|
GA
|
Mid
|
| 389
|
Daigo Fukuryū Maru
|
17,097
|
551
|
C
|
Mid
|
| 390
|
Habitable zone
|
17,023
|
549
|
B
|
Low
|
| 391
|
Slag
|
16,982
|
547
|
C
|
Mid
|
| 392
|
Mate Rimac
|
16,887
|
544
|
Start
|
Low
|
| 393
|
Light pollution
|
16,858
|
543
|
C
|
Unknown
|
| 394
|
Pastoralism
|
16,798
|
541
|
C
|
Mid
|
| 395
|
Habitat
|
16,787
|
541
|
GA
|
High
|
| 396
|
Nuclear arms race
|
16,782
|
541
|
B
|
High
|
| 397
|
History of nuclear weapons
|
16,703
|
538
|
C
|
High
|
| 398
|
Sustainable energy
|
16,668
|
537
|
FA
|
High
|
| 399
|
Toyota Prius Plug-in Hybrid
|
16,537
|
533
|
B
|
Mid
|
| 400
|
Ethylene oxide
|
16,460
|
530
|
B
|
Mid
|
| 401
|
Freon
|
16,446
|
530
|
Start
|
High
|
| 402
|
Boaty McBoatface
|
16,416
|
529
|
C
|
Low
|
| 403
|
Methyl isocyanate
|
16,410
|
529
|
B
|
Mid
|
| 404
|
Subsidy
|
16,410
|
529
|
C
|
Mid
|
| 405
|
European Green Deal
|
16,326
|
526
|
C
|
Low
|
| 406
|
Erosion
|
16,300
|
525
|
C
|
High
|
| 407
|
How to Blow Up a Pipeline (film)
|
16,294
|
525
|
GA
|
Low
|
| 408
|
Particulates
|
16,209
|
522
|
B
|
High
|
| 409
|
Carbon cycle
|
16,189
|
522
|
B
|
High
|
| 410
|
Honda CR-Z
|
16,141
|
520
|
Start
|
Mid
|
| 411
|
Subsistence agriculture
|
16,135
|
520
|
C
|
Low
|
| 412
|
Rivian R1T
|
16,095
|
519
|
Start
|
Low
|
| 413
|
Simple living
|
16,077
|
518
|
Start
|
Unknown
|
| 414
|
Lignite
|
16,055
|
517
|
C
|
High
|
| 415
|
Earth Summit
|
16,033
|
517
|
Start
|
Low
|
| 416
|
Global warming potential
|
16,029
|
517
|
C
|
Low
|
| 417
|
Land reclamation
|
16,026
|
516
|
C
|
Mid
|
| 418
|
Water scarcity
|
15,986
|
515
|
B
|
High
|
| 419
|
Bushmeat
|
15,954
|
514
|
C
|
Mid
|
| 420
|
General Motors EV1
|
15,940
|
514
|
B
|
Top
|
| 421
|
Nikola Corporation
|
15,824
|
510
|
C
|
Unknown
|
| 422
|
Keystone Pipeline
|
15,737
|
507
|
C
|
Mid
|
| 423
|
List of countries by carbon dioxide emissions
|
15,732
|
507
|
List
|
Mid
|
| 424
|
Carbon sequestration
|
15,683
|
505
|
B
|
High
|
| 425
|
Soil contamination
|
15,648
|
504
|
C
|
Mid
|
| 426
|
Organophosphate
|
15,626
|
504
|
C
|
High
|
| 427
|
Snowball Earth
|
15,573
|
502
|
B
|
Low
|
| 428
|
Effects of climate change
|
15,568
|
502
|
GA
|
Top
|
| 429
|
Environmental effects of mining
|
15,558
|
501
|
C
|
Unknown
|
| 430
|
Plutonium-239
|
15,540
|
501
|
C
|
Mid
|
| 431
|
Prairie
|
15,534
|
501
|
B
|
Mid
|
| 432
|
Green Party (Ireland)
|
15,498
|
499
|
C
|
Unknown
|
| 433
|
Kyshtym disaster
|
15,425
|
497
|
C
|
High
|
| 434
|
George Monbiot
|
15,409
|
497
|
Start
|
Unknown
|
| 435
|
Nuclear power in the United States
|
15,376
|
496
|
C
|
High
|
| 436
|
Planet Earth III
|
15,367
|
495
|
Unknown
|
Low
|
| 437
|
Agenda 21
|
15,365
|
495
|
C
|
High
|
| 438
|
Sellafield
|
15,276
|
492
|
B
|
High
|
| 439
|
History of Tesla, Inc.
|
15,220
|
490
|
C
|
Low
|
| 440
|
Recycling codes
|
15,199
|
490
|
Start
|
Unknown
|
| 441
|
Environmental impact assessment
|
15,194
|
490
|
C
|
Top
|
| 442
|
High-occupancy vehicle lane
|
15,191
|
490
|
C
|
High
|
| 443
|
Views of Elon Musk
|
15,178
|
489
|
B
|
Low
|
| 444
|
Biosphere
|
15,177
|
489
|
C
|
High
|
| 445
|
Three Mile Island Nuclear Generating Station
|
15,160
|
489
|
C
|
High
|
| 446
|
Tropical savanna climate
|
15,157
|
488
|
Start
|
Mid
|
| 447
|
Ford Mustang Mach-E
|
15,120
|
487
|
Start
|
Unknown
|
| 448
|
Great Stink
|
15,092
|
486
|
FA
|
Low
|
| 449
|
Fukushima Daiichi Nuclear Power Plant
|
15,064
|
485
|
C
|
High
|
| 450
|
Keystone species
|
15,020
|
484
|
GA
|
Mid
|
| 451
|
Smokey Bear
|
14,945
|
482
|
B
|
Mid
|
| 452
|
Aflatoxin
|
14,918
|
481
|
B
|
High
|
| 453
|
Extinction Rebellion
|
14,894
|
480
|
B
|
High
|
| 454
|
RDS-1
|
14,882
|
480
|
C
|
High
|
| 455
|
Renault Twizy
|
14,816
|
477
|
C
|
High
|
| 456
|
LEED
|
14,792
|
477
|
C
|
High
|
| 457
|
List of environmental dates
|
14,789
|
477
|
List
|
Mid
|
| 458
|
Dioxins and dioxin-like compounds
|
14,747
|
475
|
C
|
Low
|
| 459
|
Dust
|
14,703
|
474
|
C
|
Low
|
| 460
|
Joseph Stiglitz
|
14,666
|
473
|
B
|
Mid
|
| 461
|
Environmental movement
|
14,650
|
472
|
B
|
High
|
| 462
|
Motor oil
|
14,625
|
471
|
C
|
Low
|
| 463
|
Solar power by country
|
14,601
|
471
|
C
|
High
|
| 464
|
Ecofascism
|
14,598
|
470
|
B
|
Mid
|
| 465
|
Rodenticide
|
14,551
|
469
|
C
|
Mid
|
| 466
|
Radioactive waste
|
14,472
|
466
|
B
|
High
|
| 467
|
Waste
|
14,424
|
465
|
C
|
Top
|
| 468
|
Slash-and-burn
|
14,416
|
465
|
C
|
Mid
|
| 469
|
New 7 Wonders of Nature
|
14,414
|
464
|
Start
|
Unknown
|
| 470
|
Carbon pricing in Canada
|
14,389
|
464
|
C
|
Low
|
| 471
|
Aquatic ecosystem
|
14,386
|
464
|
C
|
High
|
| 472
|
Nuclear power in the United Kingdom
|
14,360
|
463
|
B
|
Mid
|
| 473
|
Concentrated solar power
|
14,318
|
461
|
C
|
High
|
| 474
|
Flow cytometry
|
14,246
|
459
|
C
|
Low
|
| 475
|
Biodiesel
|
14,228
|
458
|
C
|
Low
|
| 476
|
Radioactive contamination
|
14,156
|
456
|
C
|
High
|
| 477
|
Tatarbunary
|
14,154
|
456
|
Start
|
Unknown
|
| 478
|
Extremophile
|
14,137
|
456
|
C
|
Mid
|
| 479
|
Polestar 2
|
14,123
|
455
|
C
|
Low
|
| 480
|
Subarctic climate
|
14,118
|
455
|
C
|
Low
|
| 481
|
Environmentalism
|
14,090
|
454
|
B
|
Top
|
| 482
|
Ramsar Convention
|
14,036
|
452
|
C
|
Mid
|
| 483
|
Hyundai Ioniq 5
|
14,021
|
452
|
Start
|
Low
|
| 484
|
Yucca Mountain nuclear waste repository
|
13,992
|
451
|
C
|
Low
|
| 485
|
Sewage
|
13,951
|
450
|
C
|
Unknown
|
| 486
|
Eco-terrorism
|
13,922
|
449
|
C
|
High
|
| 487
|
Hydropower
|
13,921
|
449
|
C
|
Unknown
|
| 488
|
Ecosia
|
13,886
|
447
|
C
|
Low
|
| 489
|
Solar power in India
|
13,882
|
447
|
C
|
Mid
|
| 490
|
Superfund
|
13,865
|
447
|
B
|
Low
|
| 491
|
Oxy-fuel welding and cutting
|
13,857
|
447
|
B
|
Unknown
|
| 492
|
Recycling symbol
|
13,817
|
445
|
Start
|
Unknown
|
| 493
|
Vulnerable species
|
13,815
|
445
|
Start
|
Mid
|
| 494
|
Vandana Shiva
|
13,812
|
445
|
B
|
Mid
|
| 495
|
Murray Bookchin
|
13,791
|
444
|
B
|
Unknown
|
| 496
|
Wendell Berry
|
13,754
|
443
|
B
|
Unknown
|
| 497
|
Toyota bZ4X
|
13,729
|
442
|
C
|
Low
|
| 498
|
Arable land
|
13,650
|
440
|
C
|
High
|
| 499
|
Anaerobic digestion
|
13,647
|
440
|
C
|
High
|
| 500
|
Lotus Evija
|
13,639
|
439
|
C
|
Low
|
| 501
|
Sea Shepherd Conservation Society
|
13,568
|
437
|
B
|
Unknown
|
| 502
|
Acrylamide
|
13,557
|
437
|
B
|
Mid
|
| 503
|
Marine life
|
13,535
|
436
|
B
|
High
|
| 504
|
Toxicity
|
13,532
|
436
|
C
|
High
|
| 505
|
Pollution of the Ganges
|
13,510
|
435
|
C
|
Unknown
|
| 506
|
Treaty on the Prohibition of Nuclear Weapons
|
13,486
|
435
|
C
|
Mid
|
| 507
|
NOx
|
13,479
|
434
|
Start
|
Low
|
| 508
|
Family planning
|
13,472
|
434
|
B
|
Low
|
| 509
|
Trichloroethylene
|
13,374
|
431
|
B
|
Mid
|
| 510
|
Sustainable agriculture
|
13,319
|
429
|
C
|
High
|
| 511
|
Anthropocentrism
|
13,297
|
428
|
C
|
High
|
| 512
|
Anne Hidalgo
|
13,297
|
428
|
C
|
Low
|
| 513
|
Yvon Chouinard
|
13,293
|
428
|
Start
|
Unknown
|
| 514
|
Alpha decay
|
13,287
|
428
|
C
|
Mid
|
| 515
|
Petroleum industry
|
13,284
|
428
|
C
|
High
|
| 516
|
Michael McCaul
|
13,263
|
427
|
Start
|
Low
|
| 517
|
Great Green Wall (Africa)
|
13,215
|
426
|
Start
|
Mid
|
| 518
|
Green New Deal
|
13,176
|
425
|
C
|
Low
|
| 519
|
Waste Management (company)
|
13,156
|
424
|
Start
|
Low
|
| 520
|
Human overpopulation
|
13,146
|
424
|
C
|
High
|
| 521
|
Diethylstilbestrol
|
13,112
|
422
|
B
|
High
|
| 522
|
Ecofeminism
|
13,091
|
422
|
B
|
High
|
| 523
|
Rechargeable battery
|
13,091
|
422
|
C
|
High
|
| 524
|
Safe (1995 film)
|
13,074
|
421
|
Start
|
Unknown
|
| 525
|
Water treatment
|
13,052
|
421
|
Start
|
Unknown
|
| 526
|
Australian Greens
|
13,029
|
420
|
B
|
Unknown
|
| 527
|
World Environment Day
|
13,026
|
420
|
C
|
High
|
| 528
|
XPeng
|
13,025
|
420
|
Start
|
Low
|
| 529
|
BYD Dolphin
|
13,018
|
419
|
C
|
Low
|
| 530
|
List of countries by carbon dioxide emissions per capita
|
13,003
|
419
|
List
|
High
|
| 531
|
David Suzuki
|
12,997
|
419
|
B
|
Unknown
|
| 532
|
Toyota Aqua
|
12,997
|
419
|
Start
|
Low
|
| 533
|
Biodiversity hotspot
|
12,969
|
418
|
Start
|
Mid
|
| 534
|
Holocene climatic optimum
|
12,969
|
418
|
C
|
Low
|
| 535
|
Environmental law
|
12,953
|
417
|
C
|
High
|
| 536
|
Chemical weapon
|
12,928
|
417
|
C
|
High
|
| 537
|
Polycyclic aromatic hydrocarbon
|
12,912
|
416
|
B
|
High
|
| 538
|
Regenerative agriculture
|
12,884
|
415
|
C
|
Low
|
| 539
|
Arsenic poisoning
|
12,862
|
414
|
B
|
High
|
| 540
|
Non-renewable resource
|
12,830
|
413
|
C
|
High
|
| 541
|
Toxin
|
12,805
|
413
|
Start
|
High
|
| 542
|
Ethanol fuel
|
12,794
|
412
|
B
|
High
|
| 543
|
Valero Energy
|
12,787
|
412
|
C
|
Low
|
| 544
|
Conspicuous consumption
|
12,777
|
412
|
B
|
Low
|
| 545
|
Chemical industry
|
12,752
|
411
|
Start
|
High
|
| 546
|
Cancer Alley
|
12,699
|
409
|
C
|
High
|
| 547
|
China and weapons of mass destruction
|
12,646
|
407
|
C
|
High
|
| 548
|
Pumped-storage hydroelectricity
|
12,631
|
407
|
B
|
Unknown
|
| 549
|
Rolls-Royce Spectre
|
12,619
|
407
|
Start
|
Low
|
| 550
|
Diesel particulate filter
|
12,602
|
406
|
C
|
Mid
|
| 551
|
Ramsar site
|
12,540
|
404
|
Start
|
High
|
| 552
|
World Sparrow Day
|
12,488
|
402
|
Start
|
Low
|
| 553
|
International Solar Alliance
|
12,459
|
401
|
C
|
Mid
|
| 554
|
Carrying capacity
|
12,427
|
400
|
C
|
Mid
|
| 555
|
Volkswagen ID.4
|
12,400
|
400
|
C
|
Unknown
|
| 556
|
Chevrolet Bolt
|
12,388
|
399
|
Start
|
High
|
| 557
|
Firestorm
|
12,386
|
399
|
C
|
Mid
|
| 558
|
Julia Butterfly Hill
|
12,378
|
399
|
C
|
Mid
|
| 559
|
Wind farm
|
12,367
|
398
|
B
|
High
|
| 560
|
List of most-polluted cities by particulate matter concentration
|
12,361
|
398
|
List
|
High
|
| 561
|
Solar-cell efficiency
|
12,358
|
398
|
B
|
High
|
| 562
|
SolarCity
|
12,349
|
398
|
B
|
High
|
| 563
|
Jaguar C-X75
|
12,333
|
397
|
B
|
Mid
|
| 564
|
Charging station
|
12,332
|
397
|
B
|
High
|
| 565
|
Climate change mitigation
|
12,312
|
397
|
C
|
High
|
| 566
|
Phthalates
|
12,278
|
396
|
Start
|
High
|
| 567
|
Tidal power
|
12,237
|
394
|
B
|
Mid
|
| 568
|
GMC Hummer EV
|
12,235
|
394
|
C
|
Low
|
| 569
|
Green economy
|
12,226
|
394
|
Start
|
Mid
|
| 570
|
African humid period
|
12,174
|
392
|
GA
|
Low
|
| 571
|
Urban heat island
|
12,155
|
392
|
B
|
Mid
|
| 572
|
Ivanpah Solar Power Facility
|
12,145
|
391
|
C
|
Mid
|
| 573
|
Liquid hydrogen
|
12,116
|
390
|
Start
|
Unknown
|
| 574
|
Bioplastic
|
12,110
|
390
|
Start
|
Mid
|
| 575
|
Dersu Uzala (1975 film)
|
12,088
|
389
|
Start
|
Low
|
| 576
|
Net zero emissions
|
12,047
|
388
|
C
|
Mid
|
| 577
|
Medieval Warm Period
|
11,986
|
386
|
C
|
Low
|
| 578
|
Hydrogen economy
|
11,969
|
386
|
B
|
High
|
| 579
|
Nicole Hernandez Hammer
|
11,958
|
385
|
C
|
Low
|
| 580
|
Deep ecology
|
11,949
|
385
|
C
|
Low
|
| 581
|
Natural history
|
11,935
|
385
|
C
|
High
|
| 582
|
Nio EP9
|
11,883
|
383
|
Start
|
Unknown
|
| 583
|
Scientific consensus on climate change
|
11,847
|
382
|
C
|
High
|
| 584
|
Destruction of the Kakhovka Dam
|
11,838
|
381
|
C
|
Mid
|
| 585
|
Climate of the Philippines
|
11,816
|
381
|
C
|
Mid
|
| 586
|
Patterns in nature
|
11,801
|
380
|
GA
|
Low
|
| 587
|
Habitat destruction
|
11,801
|
380
|
C
|
High
|
| 588
|
Steam reforming
|
11,788
|
380
|
Start
|
Unknown
|
| 589
|
Perovskite solar cell
|
11,777
|
379
|
C
|
Mid
|
| 590
|
Insecticide
|
11,776
|
379
|
C
|
High
|
| 591
|
Ecosystem service
|
11,720
|
378
|
Start
|
Unknown
|
| 592
|
SL-1
|
11,712
|
377
|
B
|
Mid
|
| 593
|
Rivian R1S
|
11,682
|
376
|
Start
|
Low
|
| 594
|
International Day of Forests
|
11,675
|
376
|
Start
|
Low
|
| 595
|
Convention on Biological Diversity
|
11,644
|
375
|
C
|
High
|
| 596
|
Brazilian Institute of Environment and Renewable Natural Resources
|
11,642
|
375
|
Stub
|
Low
|
| 597
|
Hydrogenation
|
11,627
|
375
|
B
|
Unknown
|
| 598
|
Bharat stage emission standards
|
11,623
|
374
|
C
|
Low
|
| 599
|
Pininfarina Battista
|
11,603
|
374
|
Start
|
Low
|
| 600
|
Benjamin Bronfman
|
11,592
|
373
|
Start
|
Low
|
| 601
|
Toxicology
|
11,592
|
373
|
C
|
Mid
|
| 602
|
Electric bicycle
|
11,547
|
372
|
C
|
Mid
|
| 603
|
Water distribution on Earth
|
11,544
|
372
|
Start
|
Unknown
|
| 604
|
Intensive farming
|
11,533
|
372
|
C
|
High
|
| 605
|
IARC group 1 Carcinogens
|
11,499
|
370
|
List
|
High
|
| 606
|
South Africa and weapons of mass destruction
|
11,479
|
370
|
Start
|
Mid
|
| 607
|
Sydney asbestos crisis
|
11,478
|
370
|
Start
|
Low
|
| 608
|
Steven Guilbeault
|
11,471
|
370
|
C
|
Mid
|
| 609
|
Life on Our Planet
|
11,452
|
369
|
Start
|
Low
|
| 610
|
Timeline of first images of Earth from space
|
11,428
|
368
|
List
|
Low
|
| 611
|
Windscale fire
|
11,416
|
368
|
B
|
Mid
|
| 612
|
Pesticide poisoning
|
11,411
|
368
|
C
|
High
|
| 613
|
Photovoltaic system
|
11,390
|
367
|
C
|
Mid
|
| 614
|
List of countries by renewable electricity production
|
11,382
|
367
|
List
|
Mid
|
| 615
|
Restriction of Hazardous Substances Directive
|
11,370
|
366
|
C
|
Mid
|
| 616
|
Stratospheric aerosol injection
|
11,349
|
366
|
C
|
High
|
| 617
|
Dimethylmercury
|
11,344
|
365
|
C
|
Mid
|
| 618
|
Crankcase ventilation system
|
11,336
|
365
|
C
|
Low
|
| 619
|
Ship breaking
|
11,322
|
365
|
Stub
|
Unknown
|
| 620
|
Tracy Somerset, Duchess of Beaufort
|
11,308
|
364
|
Start
|
Low
|
| 621
|
Atrazine
|
11,277
|
363
|
Start
|
High
|
| 622
|
Battery electric vehicle
|
11,258
|
363
|
C
|
Mid
|
| 623
|
Green hydrogen
|
11,237
|
362
|
C
|
Low
|
| 624
|
BYD Qin
|
11,226
|
362
|
Start
|
High
|
| 625
|
Green politics
|
11,209
|
361
|
C
|
Low
|
| 626
|
Mycotoxin
|
11,204
|
361
|
C
|
Mid
|
| 627
|
List of natural phenomena
|
11,162
|
360
|
Stub
|
Unknown
|
| 628
|
Atmospheric circulation
|
11,150
|
359
|
Start
|
High
|
| 629
|
Dartmoor
|
11,144
|
359
|
C
|
Unknown
|
| 630
|
Comprehensive Nuclear-Test-Ban Treaty
|
11,129
|
359
|
Start
|
High
|
| 631
|
Kuwaiti oil fires
|
11,096
|
357
|
C
|
High
|
| 632
|
Green building
|
11,086
|
357
|
B
|
Unknown
|
| 633
|
Flexible-fuel vehicle
|
11,077
|
357
|
C
|
High
|
| 634
|
Vinyl chloride
|
11,064
|
356
|
B
|
Mid
|
| 635
|
Anaerobic respiration
|
11,050
|
356
|
Start
|
Unknown
|
| 636
|
Chemical warfare
|
11,049
|
356
|
C
|
High
|
| 637
|
Freedom to roam
|
11,001
|
354
|
C
|
Mid
|
| 638
|
Enewetak Atoll
|
10,992
|
354
|
Start
|
Mid
|
| 639
|
Exxon Valdez
|
10,973
|
353
|
Start
|
High
|
| 640
|
World energy supply and consumption
|
10,934
|
352
|
C
|
Top
|
| 641
|
Nuclear proliferation
|
10,872
|
350
|
C
|
High
|
| 642
|
BMW i4
|
10,846
|
349
|
Start
|
High
|
| 643
|
Food safety
|
10,841
|
349
|
C
|
Mid
|
| 644
|
Marine biology
|
10,775
|
347
|
C
|
High
|
| 645
|
Atmospheric water generator
|
10,768
|
347
|
Start
|
Low
|
| 646
|
Forest of Dean
|
10,728
|
346
|
C
|
Mid
|
| 647
|
Organic food
|
10,714
|
345
|
C
|
Mid
|
| 648
|
Karma Revero
|
10,712
|
345
|
Start
|
Mid
|
| 649
|
Just Stop Oil
|
10,701
|
345
|
B
|
Low
|
| 650
|
Climate engineering
|
10,647
|
343
|
B
|
Mid
|
| 651
|
Globally Harmonized System of Classification and Labelling of Chemicals
|
10,645
|
343
|
C
|
Mid
|
| 652
|
Partial Nuclear Test Ban Treaty
|
10,638
|
343
|
GA
|
High
|
| 653
|
Ice stupa
|
10,635
|
343
|
Start
|
Mid
|
| 654
|
Introduced species
|
10,626
|
342
|
B
|
Mid
|
| 655
|
Windcatcher
|
10,582
|
341
|
B
|
Low
|
| 656
|
Toyota Prius C
|
10,570
|
340
|
C
|
High
|
| 657
|
Volkswagen 1-litre car
|
10,566
|
340
|
C
|
High
|
| 658
|
Biomagnification
|
10,552
|
340
|
Start
|
Mid
|
| 659
|
Rainforest Alliance
|
10,522
|
339
|
C
|
Mid
|
| 660
|
Baraka (film)
|
10,511
|
339
|
Start
|
Unknown
|
| 661
|
2,4-Dichlorophenoxyacetic acid
|
10,477
|
337
|
C
|
Mid
|
| 662
|
Biomass (energy)
|
10,453
|
337
|
C
|
Mid
|
| 663
|
BYD Atto 3
|
10,438
|
336
|
Start
|
Low
|
| 664
|
RNA interference
|
10,429
|
336
|
FA
|
High
|
| 665
|
Algal bloom
|
10,420
|
336
|
B
|
Low
|
| 666
|
The Honest Company
|
10,377
|
334
|
Start
|
Low
|
| 667
|
Ford C-Max
|
10,347
|
333
|
C
|
High
|
| 668
|
Smoke
|
10,337
|
333
|
C
|
Mid
|
| 669
|
Endocrine disruptor
|
10,329
|
333
|
C
|
High
|
| 670
|
Soot
|
10,307
|
332
|
C
|
Mid
|
| 671
|
Biological pest control
|
10,256
|
330
|
GA
|
High
|
| 672
|
Honda e
|
10,251
|
330
|
C
|
Low
|
| 673
|
Harmful algal bloom
|
10,230
|
330
|
C
|
Mid
|
| 674
|
Lisa Harrow
|
10,219
|
329
|
C
|
Low
|
| 675
|
NASA Clean Air Study
|
10,217
|
329
|
Start
|
Mid
|
| 676
|
Renewable resource
|
10,190
|
328
|
Start
|
Mid
|
| 677
|
Representative Concentration Pathway
|
10,173
|
328
|
C
|
Mid
|
| 678
|
Customary law
|
10,117
|
326
|
Start
|
Mid
|
| 679
|
Nuclear disarmament
|
10,093
|
325
|
C
|
Top
|
| 680
|
Environmental impacts of animal agriculture
|
10,088
|
325
|
C
|
High
|
| 681
|
Tropical monsoon climate
|
9,971
|
321
|
Start
|
Low
|
| 682
|
Offshore wind power
|
9,956
|
321
|
B
|
Mid
|
| 683
|
Plastic recycling
|
9,950
|
320
|
C
|
High
|
| 684
|
Coal-fired power station
|
9,931
|
320
|
C
|
High
|
| 685
|
Ocean acidification
|
9,907
|
319
|
B
|
Unknown
|
| 686
|
On Deadly Ground
|
9,902
|
319
|
Start
|
Low
|
| 687
|
Wicked problem
|
9,885
|
318
|
C
|
Mid
|
| 688
|
Earth shelter
|
9,862
|
318
|
Start
|
Unknown
|
| 689
|
Air pollution in India
|
9,857
|
317
|
C
|
Mid
|
| 690
|
Energy conservation
|
9,837
|
317
|
B
|
Low
|
| 691
|
Cesspit
|
9,820
|
316
|
C
|
Low
|
| 692
|
United States Fish and Wildlife Service list of endangered mammals and birds
|
9,806
|
316
|
List
|
Mid
|
| 693
|
Fuel cell vehicle
|
9,789
|
315
|
Start
|
Unknown
|
| 694
|
JBS S.A.
|
9,789
|
315
|
C
|
Low
|
| 695
|
Cigarette filter
|
9,774
|
315
|
Start
|
High
|
| 696
|
Renewable energy in India
|
9,767
|
315
|
B
|
High
|
| 697
|
Afforestation
|
9,696
|
312
|
C
|
Mid
|
| 698
|
History of the petroleum industry
|
9,690
|
312
|
C
|
Low
|
| 699
|
Nature reserve
|
9,682
|
312
|
C
|
Mid
|
| 700
|
Criticism of Tesla, Inc.
|
9,654
|
311
|
C
|
Low
|
| 701
|
Bioremediation
|
9,632
|
310
|
Start
|
Mid
|
| 702
|
Toyota Camry (XV50)
|
9,632
|
310
|
C
|
Mid
|
| 703
|
Terrestrial animal
|
9,628
|
310
|
Start
|
High
|
| 704
|
List of environmental organizations
|
9,627
|
310
|
List
|
Top
|
| 705
|
Clean Air Act (United States)
|
9,616
|
310
|
Start
|
Low
|
| 706
|
Oil sands
|
9,596
|
309
|
C
|
Mid
|
| 707
|
Ultra Low Emission Zone
|
9,588
|
309
|
C
|
Low
|
| 708
|
Ora Good Cat
|
9,535
|
307
|
Start
|
Low
|
| 709
|
Food loss and waste
|
9,519
|
307
|
B
|
Mid
|
| 710
|
100 of the World's Worst Invasive Alien Species
|
9,517
|
307
|
List
|
Low
|
| 711
|
BMW M Hybrid V8
|
9,516
|
306
|
Stub
|
Low
|
| 712
|
Global temperature record
|
9,500
|
306
|
C
|
Unknown
|
| 713
|
Biological agent
|
9,470
|
305
|
C
|
High
|
| 714
|
Environment Protection Act, 1986
|
9,463
|
305
|
Start
|
Low
|
| 715
|
Dirty bomb
|
9,454
|
304
|
C
|
Mid
|
| 716
|
Edward Abbey
|
9,406
|
303
|
B
|
Mid
|
| 717
|
Effects of the Chernobyl disaster
|
9,385
|
302
|
C
|
High
|
| 718
|
Jim Inhofe
|
9,365
|
302
|
B
|
Low
|
| 719
|
Greywater
|
9,357
|
301
|
Start
|
Unknown
|
| 720
|
Flow battery
|
9,334
|
301
|
B
|
Mid
|
| 721
|
Bioethics
|
9,327
|
300
|
Start
|
Mid
|
| 722
|
Tesla Powerwall
|
9,322
|
300
|
C
|
High
|
| 723
|
Toyota Prius (XW30)
|
9,316
|
300
|
B
|
Unknown
|
| 724
|
Halothane
|
9,311
|
300
|
C
|
Low
|
| 725
|
Chlorpyrifos
|
9,275
|
299
|
C
|
Mid
|
| 726
|
Affluenza
|
9,253
|
298
|
Start
|
Mid
|
| 727
|
Surface runoff
|
9,251
|
298
|
C
|
Low
|
| 728
|
Brundtland Commission
|
9,220
|
297
|
Start
|
Unknown
|
| 729
|
Zeekr 001
|
9,213
|
297
|
C
|
Low
|
| 730
|
Build Back Better Plan
|
9,209
|
297
|
C
|
Low
|
| 731
|
Asbestosis
|
9,204
|
296
|
B
|
Mid
|
| 732
|
Fipronil
|
9,202
|
296
|
Start
|
Mid
|
| 733
|
Toyota Prius V
|
9,190
|
296
|
C
|
High
|
| 734
|
Biodegradable plastic
|
9,186
|
296
|
C
|
Mid
|
| 735
|
Nuclear fuel
|
9,175
|
295
|
B
|
High
|
| 736
|
Dakota Access Pipeline protests
|
9,167
|
295
|
C
|
Low
|
| 737
|
List of BYD Auto vehicles
|
9,116
|
294
|
List
|
Low
|
| 738
|
Climate classification
|
9,083
|
293
|
Stub
|
Low
|
| 739
|
Extreme weather
|
9,081
|
292
|
C
|
Mid
|
| 740
|
Thermal pollution
|
9,081
|
292
|
Start
|
Mid
|
| 741
|
Istanbul Canal
|
9,072
|
292
|
C
|
Low
|
| 742
|
Cow dung
|
9,069
|
292
|
Start
|
Low
|
| 743
|
Hydrogen embrittlement
|
9,059
|
292
|
Start
|
Unknown
|
| 744
|
Gallium arsenide
|
9,056
|
292
|
C
|
Mid
|
| 745
|
List of largest hydroelectric power stations
|
9,051
|
291
|
C
|
Unknown
|
| 746
|
Whole Earth Catalog
|
9,049
|
291
|
B
|
Low
|
| 747
|
Brownfield land
|
9,031
|
291
|
C
|
Unknown
|
| 748
|
Volkswagen ID. Buzz
|
9,000
|
290
|
C
|
Mid
|
| 749
|
Environmental engineering
|
8,999
|
290
|
C
|
Top
|
| 750
|
Volkswagen ID.3
|
8,990
|
290
|
Unknown
|
Unknown
|
| 751
|
Environmental studies
|
8,974
|
289
|
Start
|
High
|
| 752
|
E85
|
8,972
|
289
|
C
|
Unknown
|
| 753
|
Sustainable living
|
8,953
|
288
|
B
|
High
|
| 754
|
List of Superfund sites
|
8,952
|
288
|
List
|
Mid
|
| 755
|
Sick building syndrome
|
8,945
|
288
|
Start
|
Mid
|
| 756
|
School Strike for Climate
|
8,937
|
288
|
C
|
Mid
|
| 757
|
Solar inverter
|
8,931
|
288
|
C
|
Low
|
| 758
|
Proton-exchange membrane fuel cell
|
8,930
|
288
|
B
|
Unknown
|
| 759
|
Paleocene–Eocene Thermal Maximum
|
8,915
|
287
|
B
|
Low
|
| 760
|
Douglas Tompkins
|
8,894
|
286
|
C
|
Mid
|
| 761
|
Biodiversity loss
|
8,893
|
286
|
C
|
Mid
|
| 762
|
Heat recovery ventilation
|
8,885
|
286
|
C
|
Low
|
| 763
|
List of battery electric vehicles
|
8,860
|
285
|
List
|
Mid
|
| 764
|
Cleaning
|
8,767
|
282
|
Start
|
Unknown
|
| 765
|
Methyl tert-butyl ether
|
8,758
|
282
|
B
|
Mid
|
| 766
|
Sierra Club
|
8,754
|
282
|
B
|
Mid
|
| 767
|
Planetary boundaries
|
8,735
|
281
|
B
|
High
|
| 768
|
Biophilic design
|
8,708
|
280
|
C
|
Low
|
| 769
|
Vegetation
|
8,703
|
280
|
C
|
Mid
|
| 770
|
Genetic diversity
|
8,688
|
280
|
C
|
Mid
|
| 771
|
Robin Wall Kimmerer
|
8,678
|
279
|
C
|
Low
|
| 772
|
Hügelkultur
|
8,677
|
279
|
Start
|
Low
|
| 773
|
Michael S. Regan
|
8,659
|
279
|
Start
|
Low
|
| 774
|
Wind power in India
|
8,645
|
278
|
Start
|
Mid
|
| 775
|
Risk assessment
|
8,626
|
278
|
C
|
Mid
|
| 776
|
Marine pollution
|
8,613
|
277
|
B
|
Unknown
|
| 777
|
Jim Banks
|
8,600
|
277
|
C
|
Low
|
| 778
|
Kuznets curve
|
8,583
|
276
|
B
|
Mid
|
| 779
|
Precautionary principle
|
8,578
|
276
|
C
|
High
|
| 780
|
Deep sea mining
|
8,567
|
276
|
C
|
Unknown
|
| 781
|
Timeline of glaciation
|
8,545
|
275
|
List
|
Unknown
|
| 782
|
Triple bottom line
|
8,526
|
275
|
C
|
High
|
| 783
|
Once Upon a Forest
|
8,519
|
274
|
C
|
Unknown
|
| 784
|
Near-threatened species
|
8,517
|
274
|
Start
|
Mid
|
| 785
|
Electric aircraft
|
8,517
|
274
|
C
|
Unknown
|
| 786
|
Sustainable fashion
|
8,516
|
274
|
C
|
Mid
|
| 787
|
Judas goat
|
8,506
|
274
|
C
|
Low
|
| 788
|
Hydrosphere
|
8,497
|
274
|
C
|
High
|
| 789
|
Coral bleaching
|
8,436
|
272
|
C
|
High
|
| 790
|
Lincoln Aviator
|
8,432
|
272
|
Start
|
Low
|
| 791
|
Blue economy
|
8,424
|
271
|
Start
|
Low
|
| 792
|
Insects as food
|
8,411
|
271
|
C
|
High
|
| 793
|
Evapotranspiration
|
8,396
|
270
|
C
|
Mid
|
| 794
|
MG4 EV
|
8,390
|
270
|
Start
|
Low
|
| 795
|
Ford F-150 Lightning
|
8,389
|
270
|
Start
|
Mid
|
| 796
|
Diablo Canyon Power Plant
|
8,375
|
270
|
Start
|
Mid
|
| 797
|
Volcanic winter
|
8,345
|
269
|
Start
|
Low
|
| 798
|
Water supply
|
8,344
|
269
|
C
|
High
|
| 799
|
Clean Water Act
|
8,331
|
268
|
B
|
High
|
| 800
|
1808 mystery eruption
|
8,311
|
268
|
Start
|
Low
|
| 801
|
Carbon emission trading
|
8,308
|
268
|
B
|
Low
|
| 802
|
Coal combustion products
|
8,295
|
267
|
C
|
Low
|
| 803
|
Elinor Ostrom
|
8,259
|
266
|
B
|
Mid
|
| 804
|
Hyundai Ioniq
|
8,242
|
265
|
C
|
Mid
|
| 805
|
North Sea oil
|
8,232
|
265
|
Start
|
Mid
|
| 806
|
Climate of Ireland
|
8,224
|
265
|
C
|
Low
|
| 807
|
North Atlantic garbage patch
|
8,218
|
265
|
C
|
Low
|
| 808
|
MARPOL 73/78
|
8,214
|
264
|
C
|
Mid
|
| 809
|
Doughnut (economic model)
|
8,152
|
262
|
B
|
Low
|
| 810
|
Climate of Antarctica
|
8,133
|
262
|
C
|
High
|
| 811
|
Rivian EDV
|
8,128
|
262
|
Start
|
Low
|
| 812
|
Environmental impact of agriculture
|
8,123
|
262
|
C
|
High
|
| 813
|
Upcycling
|
8,122
|
262
|
C
|
Mid
|
| 814
|
Thionyl chloride
|
8,116
|
261
|
B
|
Mid
|
| 815
|
Audi e-tron
|
8,115
|
261
|
C
|
Mid
|
| 816
|
Environmentally friendly
|
8,092
|
261
|
Start
|
Low
|
| 817
|
C40 Cities Climate Leadership Group
|
8,088
|
260
|
Start
|
Low
|
| 818
|
Environmental justice
|
8,081
|
260
|
C
|
Low
|
| 819
|
Solar cooker
|
8,073
|
260
|
B
|
Unknown
|
| 820
|
Ocean gyre
|
8,067
|
260
|
Start
|
Mid
|
| 821
|
Lordstown Motors
|
8,046
|
259
|
Start
|
Unknown
|
| 822
|
BMW S38
|
8,031
|
259
|
Unknown
|
Unknown
|
| 823
|
Campaign for Nuclear Disarmament
|
8,002
|
258
|
B
|
Mid
|
| 824
|
History of climate change science
|
7,991
|
257
|
C
|
Unknown
|
| 825
|
Paul R. Ehrlich
|
7,987
|
257
|
B
|
Mid
|
| 826
|
Butadiene
|
7,984
|
257
|
B
|
High
|
| 827
|
Land degradation
|
7,982
|
257
|
C
|
Mid
|
| 828
|
BMW iX
|
7,962
|
256
|
Start
|
Unknown
|
| 829
|
ISO 14000
|
7,958
|
256
|
Start
|
Unknown
|
| 830
|
Aldo Leopold
|
7,947
|
256
|
B
|
High
|
| 831
|
Lacey Act of 1900
|
7,926
|
255
|
Stub
|
Mid
|
| 832
|
Ministry of Environment, Forest and Climate Change
|
7,913
|
255
|
Start
|
High
|
| 833
|
Steven Chu
|
7,911
|
255
|
C
|
Mid
|
| 834
|
Conservation movement
|
7,904
|
254
|
C
|
Low
|
| 835
|
Land
|
7,900
|
254
|
B
|
Low
|
| 836
|
Volkswagen ID.7
|
7,890
|
254
|
B
|
Low
|
| 837
|
Scrap
|
7,889
|
254
|
Start
|
Low
|
| 838
|
Green Party of Aotearoa New Zealand
|
7,861
|
253
|
C
|
Low
|
| 839
|
Gas flare
|
7,809
|
251
|
Start
|
Unknown
|
| 840
|
Exotic pet
|
7,804
|
251
|
Start
|
Low
|
| 841
|
Protected area
|
7,803
|
251
|
B
|
High
|
| 842
|
Madison Grant
|
7,799
|
251
|
C
|
Unknown
|
| 843
|
Christian Schmidt (politician)
|
7,796
|
251
|
C
|
Low
|
| 844
|
Retreat of glaciers since 1850
|
7,783
|
251
|
B
|
Mid
|
| 845
|
Renault Zoe
|
7,777
|
250
|
C
|
High
|
| 846
|
350.org
|
7,773
|
250
|
B
|
Low
|
| 847
|
1,4-Dioxane
|
7,760
|
250
|
Start
|
Mid
|
| 848
|
List of highly toxic gases
|
7,744
|
249
|
List
|
High
|
| 849
|
Magnet fishing
|
7,743
|
249
|
C
|
Low
|
| 850
|
Municipal solid waste
|
7,699
|
248
|
Start
|
High
|
| 851
|
Effects of climate change on agriculture
|
7,680
|
247
|
C
|
High
|
| 852
|
Toyota Prius (XW20)
|
7,653
|
246
|
B
|
Unknown
|
| 853
|
Marjory Stoneman Douglas
|
7,642
|
246
|
FA
|
Low
|
| 854
|
Central Pollution Control Board
|
7,639
|
246
|
Start
|
Low
|
| 855
|
Activated sludge
|
7,629
|
246
|
C
|
Low
|
| 856
|
Hyundai Ioniq 6
|
7,599
|
245
|
Unknown
|
Unknown
|
| 857
|
Biodegradation
|
7,599
|
245
|
Start
|
Low
|
| 858
|
Limelight
|
7,580
|
244
|
Start
|
Unknown
|
| 859
|
Climate of Italy
|
7,577
|
244
|
C
|
Low
|
| 860
|
Masdar City
|
7,574
|
244
|
C
|
High
|
| 861
|
Ken Saro-Wiwa
|
7,567
|
244
|
B
|
Low
|
| 862
|
Photovoltaic power station
|
7,529
|
242
|
C
|
High
|
| 863
|
Carbon sink
|
7,509
|
242
|
C
|
High
|
| 864
|
Rolling coal
|
7,507
|
242
|
C
|
Low
|
| 865
|
Copper extraction
|
7,490
|
241
|
C
|
Low
|
| 866
|
Martin Heinrich
|
7,482
|
241
|
C
|
Unknown
|
| 867
|
Epping Forest
|
7,467
|
240
|
C
|
Mid
|
| 868
|
Soil conservation
|
7,460
|
240
|
B
|
High
|
| 869
|
Climate variability and change
|
7,408
|
238
|
C
|
Top
|
| 870
|
Our Planet
|
7,395
|
238
|
Start
|
Low
|
| 871
|
Tailings
|
7,388
|
238
|
Start
|
Unknown
|
| 872
|
Sustainable transport
|
7,387
|
238
|
B
|
High
|
| 873
|
Vestas
|
7,374
|
237
|
Start
|
High
|
| 874
|
Methylmercury
|
7,359
|
237
|
B
|
High
|
| 875
|
The Nature Conservancy
|
7,356
|
237
|
B
|
Low
|
| 876
|
Car-free days
|
7,356
|
237
|
C
|
High
|
| 877
|
Volkswagen ID.6
|
7,351
|
237
|
Start
|
Unknown
|
| 878
|
Environmental hazard
|
7,325
|
236
|
Start
|
High
|
| 879
|
Litter
|
7,309
|
235
|
B
|
Mid
|
| 880
|
Camp Lejeune water contamination
|
7,305
|
235
|
Start
|
Unknown
|
| 881
|
Aviation biofuel
|
7,302
|
235
|
Start
|
Unknown
|
| 882
|
Palo Verde Nuclear Generating Station
|
7,300
|
235
|
C
|
Mid
|
| 883
|
Aspark Owl
|
7,294
|
235
|
Start
|
Low
|
| 884
|
Storm drain
|
7,283
|
234
|
C
|
Unknown
|
| 885
|
MG5 (automobile)
|
7,276
|
234
|
Start
|
Low
|
| 886
|
Selective catalytic reduction
|
7,274
|
234
|
C
|
Mid
|
| 887
|
Endangered Species Act of 1973
|
7,271
|
234
|
C
|
High
|
| 888
|
Environmental issues in the Philippines
|
7,265
|
234
|
C
|
Low
|
| 889
|
Tipping points in the climate system
|
7,243
|
233
|
GA
|
Top
|
| 890
|
Contamination
|
7,243
|
233
|
C
|
Unknown
|
| 891
|
American Petroleum Institute
|
7,230
|
233
|
C
|
Low
|
| 892
|
Green party
|
7,228
|
233
|
C
|
High
|
| 893
|
List of largest giant sequoias
|
7,228
|
233
|
List
|
Mid
|
| 894
|
Worldwide Harmonised Light Vehicles Test Procedure
|
7,221
|
232
|
C
|
Mid
|
| 895
|
Overfishing
|
7,220
|
232
|
B
|
High
|
| 896
|
Honda Prologue
|
7,210
|
232
|
Stub
|
Low
|
| 897
|
Shot (pellet)
|
7,201
|
232
|
C
|
Low
|
| 898
|
Lake Karachay
|
7,196
|
232
|
Start
|
Unknown
|
| 899
|
Hazardous waste
|
7,193
|
232
|
Start
|
Mid
|
| 900
|
Exploitation of natural resources
|
7,176
|
231
|
Start
|
High
|
| 901
|
Earth's energy budget
|
7,166
|
231
|
C
|
High
|
| 902
|
Sustainable Development Goal 12
|
7,153
|
230
|
Start
|
Unknown
|
| 903
|
Bioterrorism
|
7,151
|
230
|
B
|
High
|
| 904
|
Hockey stick graph (global temperature)
|
7,147
|
230
|
B
|
High
|
| 905
|
Dakota Access Pipeline
|
7,142
|
230
|
B
|
Mid
|
| 906
|
Climate change feedbacks
|
7,141
|
230
|
C
|
Mid
|
| 907
|
Resource depletion
|
7,116
|
229
|
C
|
High
|
| 908
|
Causes of cancer
|
7,108
|
229
|
B
|
High
|
| 909
|
Carla Denyer
|
7,099
|
229
|
C
|
Unknown
|
| 910
|
World Oceans Day
|
7,092
|
228
|
Start
|
Unknown
|
| 911
|
Citroën Ami (electric vehicle)
|
7,080
|
228
|
Start
|
Unknown
|
| 912
|
National parks of the United Kingdom
|
7,070
|
228
|
List
|
Low
|
| 913
|
Common ethanol fuel mixtures
|
7,064
|
227
|
B
|
Mid
|
| 914
|
Chemical Weapons Convention
|
7,062
|
227
|
C
|
High
|
| 915
|
Phytoremediation
|
7,062
|
227
|
C
|
Mid
|
| 916
|
Paris green
|
7,059
|
227
|
B
|
Mid
|
| 917
|
McMurtry Spéirling
|
7,056
|
227
|
Start
|
Unknown
|
| 918
|
Solid oxide fuel cell
|
7,037
|
227
|
Start
|
Unknown
|
| 919
|
Commons
|
7,035
|
226
|
C
|
Top
|
| 920
|
Noxious weed
|
7,026
|
226
|
Start
|
Unknown
|
| 921
|
Wind power by country
|
7,025
|
226
|
List
|
Mid
|
| 922
|
Xeriscaping
|
7,022
|
226
|
C
|
Low
|
| 923
|
Fishery
|
7,004
|
225
|
Start
|
Low
|
| 924
|
Radiative forcing
|
7,003
|
225
|
C
|
Low
|
| 925
|
Solar radiation modification
|
6,996
|
225
|
C
|
Low
|
| 926
|
Koch network
|
6,968
|
224
|
C
|
Mid
|
| 927
|
United States Fish and Wildlife Service
|
6,952
|
224
|
C
|
Mid
|
| 928
|
Ecological footprint
|
6,945
|
224
|
B
|
High
|
| 929
|
Bjørn Lomborg
|
6,941
|
223
|
B
|
High
|
| 930
|
Climate of South Africa
|
6,936
|
223
|
Start
|
Low
|
| 931
|
Sustainable Development Goal 13
|
6,933
|
223
|
C
|
Mid
|
| 932
|
Global Reporting Initiative
|
6,912
|
222
|
C
|
Unknown
|
| 933
|
Sustainable Development Goal 6
|
6,906
|
222
|
C
|
Mid
|
| 934
|
Acrylonitrile
|
6,903
|
222
|
Start
|
Mid
|
| 935
|
Gasification
|
6,894
|
222
|
C
|
Mid
|
| 936
|
Best practice
|
6,866
|
221
|
C
|
Mid
|
| 937
|
Dead zone (ecology)
|
6,862
|
221
|
C
|
High
|
| 938
|
Sod
|
6,859
|
221
|
C
|
Mid
|
| 939
|
Biofouling
|
6,856
|
221
|
B
|
Low
|
| 940
|
Honda Clarity
|
6,848
|
220
|
B
|
Low
|
| 941
|
Solar thermal energy
|
6,846
|
220
|
B
|
High
|
| 942
|
Bioaccumulation
|
6,844
|
220
|
Start
|
Mid
|
| 943
|
Extreme E
|
6,839
|
220
|
B
|
Unknown
|
| 944
|
Monoculture
|
6,835
|
220
|
Start
|
High
|
| 945
|
Fatberg
|
6,825
|
220
|
Start
|
Low
|
| 946
|
California Republican Party
|
6,814
|
219
|
C
|
Unknown
|
| 947
|
Right to repair
|
6,799
|
219
|
Start
|
Unknown
|
| 948
|
Space-based solar power
|
6,798
|
219
|
B
|
Unknown
|
| 949
|
Rimac Concept One
|
6,796
|
219
|
Start
|
Unknown
|
| 950
|
Tree well
|
6,777
|
218
|
Stub
|
Low
|
| 951
|
Human population planning
|
6,775
|
218
|
Start
|
Unknown
|
| 952
|
Biodegradable waste
|
6,772
|
218
|
Start
|
Unknown
|
| 953
|
BYD Han
|
6,770
|
218
|
Start
|
Unknown
|
| 954
|
Dichlorodifluoromethane
|
6,769
|
218
|
Start
|
High
|
| 955
|
Composting toilet
|
6,764
|
218
|
C
|
Unknown
|
| 956
|
2-Butoxyethanol
|
6,762
|
218
|
C
|
Mid
|
| 957
|
Kia EV6
|
6,738
|
217
|
Start
|
Low
|
| 958
|
One Laptop per Child
|
6,709
|
216
|
B
|
Unknown
|
| 959
|
History of ExxonMobil
|
6,706
|
216
|
B
|
Low
|
| 960
|
San Onofre Nuclear Generating Station
|
6,703
|
216
|
C
|
Mid
|
| 961
|
Scrubber
|
6,691
|
215
|
Start
|
Unknown
|
| 962
|
Thermophile
|
6,687
|
215
|
Start
|
Mid
|
| 963
|
Hoot (film)
|
6,669
|
215
|
Start
|
Low
|
| 964
|
Mark Shand
|
6,659
|
214
|
Start
|
Low
|
| 965
|
Neonicotinoid
|
6,646
|
214
|
C
|
High
|
| 966
|
Fungicide
|
6,641
|
214
|
C
|
High
|
| 967
|
Sustainable tourism
|
6,632
|
213
|
C
|
Low
|
| 968
|
Lists of nuclear disasters and radioactive incidents
|
6,617
|
213
|
List
|
Mid
|
| 969
|
Hamza Yassin
|
6,598
|
212
|
Start
|
Low
|
| 970
|
Anti-nuclear movement
|
6,566
|
211
|
B
|
Mid
|
| 971
|
United Nations Conference on the Human Environment
|
6,565
|
211
|
Start
|
Low
|
| 972
|
Paper recycling
|
6,564
|
211
|
Start
|
Unknown
|
| 973
|
Seres (automobiles)
|
6,541
|
211
|
Start
|
Low
|
| 974
|
Seaspiracy
|
6,539
|
210
|
C
|
Low
|
| 975
|
Global cooling
|
6,525
|
210
|
B
|
Low
|
| 976
|
Plant pathology
|
6,519
|
210
|
C
|
High
|
| 977
|
United States withdrawal from the Paris Agreement
|
6,515
|
210
|
C
|
Mid
|
| 978
|
Laundry detergent
|
6,514
|
210
|
Start
|
Low
|
| 979
|
Methane clathrate
|
6,507
|
209
|
C
|
High
|
| 980
|
Fuck for Forest
|
6,476
|
208
|
C
|
Low
|
| 981
|
Our Common Future
|
6,473
|
208
|
Start
|
Mid
|
| 982
|
Seveso disaster
|
6,469
|
208
|
Start
|
Mid
|
| 983
|
Life After People
|
6,465
|
208
|
C
|
Low
|
| 984
|
Religious views of Charles Darwin
|
6,457
|
208
|
B
|
Low
|
| 985
|
Arsenic trioxide
|
6,431
|
207
|
B
|
Mid
|
| 986
|
Slow Food
|
6,406
|
206
|
C
|
Mid
|
| 987
|
European Green Party
|
6,398
|
206
|
B
|
Mid
|
| 988
|
Biomass (ecology)
|
6,393
|
206
|
C
|
Mid
|
| 989
|
Grove (nature)
|
6,388
|
206
|
Stub
|
Unknown
|
| 990
|
Blade battery
|
6,385
|
205
|
Start
|
Mid
|
| 991
|
Radiation protection
|
6,385
|
205
|
Start
|
Mid
|
| 992
|
Planet Earth II
|
6,377
|
205
|
C
|
Low
|
| 993
|
Jaguar I-Pace
|
6,377
|
205
|
C
|
Low
|
| 994
|
Waste container
|
6,373
|
205
|
Start
|
High
|
| 995
|
Rainbow Herbicides
|
6,357
|
205
|
Start
|
Mid
|
| 996
|
Environmental disaster
|
6,351
|
204
|
Start
|
Top
|
| 997
|
Earth Liberation Front
|
6,339
|
204
|
B
|
Mid
|
| 998
|
Neurotoxicity
|
6,336
|
204
|
Start
|
High
|
| 999
|
Rydberg formula
|
6,331
|
204
|
Start
|
Unknown
|
| 1000
|
Extraction of petroleum
|
6,308
|
203
|
Start
|
Mid
|
