Counties most concerned about climate change in California

Written by:
September 2, 2021
Jennifer Williams // Wikimedia Commons

Counties most concerned about climate change in California

Nationally, 72% of Americans believe global warming is happening. But when public opinion researchers zoom in on Americans, they find that attitudes and opinions about climate change can vary drastically from county to county—even when those counties are next door. Public opinion factors into how policy-makers respond to climate change, including taking steps to reduce CO2 levels and mitigate harmful impacts already being experienced. Stacker compiled a list of counties most concerned about climate change in California using data from the Yale Program on Climate Change Communication.

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Trance addict // Wikimedia Commons

#50. Glenn County

- Percentage who are worried about climate change: 59.6%
--- 15.6% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 59.9%
- Percentage who think global warming will harm them personally: 42.5%
- Percentage who hear about global warming in the media at least weekly: 24.8%
- Percentage who think Congress should be doing more to address global warming: 54.5%
- Total population: 20,426
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DimiTalen // Wikimedia Commons

#49. El Dorado County

- Percentage who are worried about climate change: 60.1%
--- 14.9% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 60.9%
- Percentage who think global warming will harm them personally: 39.0%
- Percentage who hear about global warming in the media at least weekly: 30.5%
- Percentage who think Congress should be doing more to address global warming: 54.4%
- Total population: 148,640
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Ray Bouknight // Wikicommons

#48. Sutter County

- Percentage who are worried about climate change: 60.6%
--- 14.2% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 60.5%
- Percentage who think global warming will harm them personally: 42.6%
- Percentage who hear about global warming in the media at least weekly: 23.7%
- Percentage who think Congress should be doing more to address global warming: 55.0%
- Total population: 70,760
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#47. Sierra County

- Percentage who are worried about climate change: 60.6%
--- 14.2% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 62.0%
- Percentage who think global warming will harm them personally: 41.3%
- Percentage who hear about global warming in the media at least weekly: 31.9%
- Percentage who think Congress should be doing more to address global warming: 57.6%
- Total population: 2,490
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U.S. Army Corps of Engineers Sacramento District // Wikimedia Commons

#46. Yuba County

- Percentage who are worried about climate change: 60.6%
--- 14.1% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 61.4%
- Percentage who think global warming will harm them personally: 42.0%
- Percentage who hear about global warming in the media at least weekly: 25.5%
- Percentage who think Congress should be doing more to address global warming: 56.2%
- Total population: 54,621

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Kenneth Green // Wikimedia Commons

#45. Plumas County

- Percentage who are worried about climate change: 60.8%
--- 13.9% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 62.1%
- Percentage who think global warming will harm them personally: 38.5%
- Percentage who hear about global warming in the media at least weekly: 30.1%
- Percentage who think Congress should be doing more to address global warming: 57.5%
- Total population: 15,637
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Almonroth // Wikimedia Commons

#44. Trinity County

- Percentage who are worried about climate change: 61.2%
--- 13.4% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 64.0%
- Percentage who think global warming will harm them personally: 41.8%
- Percentage who hear about global warming in the media at least weekly: 30.7%
- Percentage who think Congress should be doing more to address global warming: 58.9%
- Total population: 10,690
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EPoelzl // Wikimedia Commons

#43. Mariposa County

- Percentage who are worried about climate change: 61.3%
--- 13.1% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 63.6%
- Percentage who think global warming will harm them personally: 42.6%
- Percentage who hear about global warming in the media at least weekly: 32.4%
- Percentage who think Congress should be doing more to address global warming: 57.8%
- Total population: 14,675
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Doug Olson // Wikimedia Commons

#42. Placer County

- Percentage who are worried about climate change: 61.4%
--- 13.1% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 64.8%
- Percentage who think global warming will harm them personally: 39.7%
- Percentage who hear about global warming in the media at least weekly: 29.6%
- Percentage who think Congress should be doing more to address global warming: 55.4%
- Total population: 294,359
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#41. Del Norte County

- Percentage who are worried about climate change: 61.5%
--- 12.9% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 62.1%
- Percentage who think global warming will harm them personally: 42.3%
- Percentage who hear about global warming in the media at least weekly: 26.7%
- Percentage who think Congress should be doing more to address global warming: 57.4%
- Total population: 21,470

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#40. Butte County

- Percentage who are worried about climate change: 63.0%
--- 10.8% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 65.1%
- Percentage who think global warming will harm them personally: 41.4%
- Percentage who hear about global warming in the media at least weekly: 29.8%
- Percentage who think Congress should be doing more to address global warming: 58.2%
- Total population: 181,415
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Chmee2 // Wikimedia Commons

#39. Siskiyou County

- Percentage who are worried about climate change: 63.2%
--- 10.5% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 64.7%
- Percentage who think global warming will harm them personally: 40.4%
- Percentage who hear about global warming in the media at least weekly: 29.2%
- Percentage who think Congress should be doing more to address global warming: 61.0%
- Total population: 34,744
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Armona // Wikicommons

#38. Kings County

- Percentage who are worried about climate change: 63.3%
--- 10.3% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 62.2%
- Percentage who think global warming will harm them personally: 46.2%
- Percentage who hear about global warming in the media at least weekly: 24.5%
- Percentage who think Congress should be doing more to address global warming: 56.9%
- Total population: 109,142
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Chuck Abbe // Wikimedia Commons

#37. Inyo County

- Percentage who are worried about climate change: 63.6%
--- 9.9% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 63.9%
- Percentage who think global warming will harm them personally: 43.4%
- Percentage who hear about global warming in the media at least weekly: 29.5%
- Percentage who think Congress should be doing more to address global warming: 58.5%
- Total population: 14,450
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Frank Schulenburg // Wikimedia Commons

#36. Nevada County

- Percentage who are worried about climate change: 63.7%
--- 9.8% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 65.8%
- Percentage who think global warming will harm them personally: 40.8%
- Percentage who hear about global warming in the media at least weekly: 33.1%
- Percentage who think Congress should be doing more to address global warming: 60.8%
- Total population: 81,901

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CleanWater17 // Wikimedia Commons

#35. Colusa County

- Percentage who are worried about climate change: 64.3%
--- 9.0% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 61.7%
- Percentage who think global warming will harm them personally: 46.0%
- Percentage who hear about global warming in the media at least weekly: 24.6%
- Percentage who think Congress should be doing more to address global warming: 59.3%
- Total population: 15,579
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CFang // Wikimedia Commons

#34. Lake County

- Percentage who are worried about climate change: 65.3%
--- 7.6% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 66.5%
- Percentage who think global warming will harm them personally: 43.6%
- Percentage who hear about global warming in the media at least weekly: 29.3%
- Percentage who think Congress should be doing more to address global warming: 63.2%
- Total population: 50,858
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Basar // Wikicommons

#33. San Luis Obispo County

- Percentage who are worried about climate change: 65.7%
--- 7.0% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 66.9%
- Percentage who think global warming will harm them personally: 43.1%
- Percentage who hear about global warming in the media at least weekly: 31.7%
- Percentage who think Congress should be doing more to address global warming: 64.3%
- Total population: 230,964
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#32. Tulare County

- Percentage who are worried about climate change: 66.0%
--- 6.5% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 65.9%
- Percentage who think global warming will harm them personally: 47.5%
- Percentage who hear about global warming in the media at least weekly: 24.0%
- Percentage who think Congress should be doing more to address global warming: 59.8%
- Total population: 316,949
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#31. Stanislaus County

- Percentage who are worried about climate change: 66.0%
--- 6.5% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 62.8%
- Percentage who think global warming will harm them personally: 46.3%
- Percentage who hear about global warming in the media at least weekly: 24.5%
- Percentage who think Congress should be doing more to address global warming: 62.5%
- Total population: 392,393

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#30. Solano County

- Percentage who are worried about climate change: 66.1%
--- 6.4% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 67.3%
- Percentage who think global warming will harm them personally: 45.4%
- Percentage who hear about global warming in the media at least weekly: 26.2%
- Percentage who think Congress should be doing more to address global warming: 61.9%
- Total population: 339,715
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#29. Ventura County

- Percentage who are worried about climate change: 66.6%
--- 5.7% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 68.4%
- Percentage who think global warming will harm them personally: 45.2%
- Percentage who hear about global warming in the media at least weekly: 27.9%
- Percentage who think Congress should be doing more to address global warming: 57.8%
- Total population: 648,513
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#28. Madera County

- Percentage who are worried about climate change: 66.7%
--- 5.5% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 63.2%
- Percentage who think global warming will harm them personally: 45.8%
- Percentage who hear about global warming in the media at least weekly: 24.1%
- Percentage who think Congress should be doing more to address global warming: 59.8%
- Total population: 112,202
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#27. Sacramento County

- Percentage who are worried about climate change: 66.8%
--- 5.4% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 66.4%
- Percentage who think global warming will harm them personally: 47.2%
- Percentage who hear about global warming in the media at least weekly: 26.9%
- Percentage who think Congress should be doing more to address global warming: 63.6%
- Total population: 1,147,265
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Hollywood // Wikimedia Commons

#26. Orange County

- Percentage who are worried about climate change: 66.9%
--- 5.3% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 67.2%
- Percentage who think global warming will harm them personally: 49.1%
- Percentage who hear about global warming in the media at least weekly: 27.2%
- Percentage who think Congress should be doing more to address global warming: 61.9%
- Total population: 2,452,994

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SD Dirk // Flickr

#25. San Diego County

- Percentage who are worried about climate change: 67.3%
--- 4.8% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 63.0%
- Percentage who think global warming will harm them personally: 45.6%
- Percentage who hear about global warming in the media at least weekly: 29.5%
- Percentage who think Congress should be doing more to address global warming: 58.5%
- Total population: 2,576,493
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LPS.1 // Wikicommons

#24. San Joaquin County

- Percentage who are worried about climate change: 67.4%
--- 4.5% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 66.0%
- Percentage who think global warming will harm them personally: 47.0%
- Percentage who hear about global warming in the media at least weekly: 24.0%
- Percentage who think Congress should be doing more to address global warming: 65.4%
- Total population: 530,706
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Susan Popielaski // Wikimedia Commons

#23. Alpine County

- Percentage who are worried about climate change: 67.6%
--- 4.3% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 67.6%
- Percentage who think global warming will harm them personally: 46.8%
- Percentage who hear about global warming in the media at least weekly: 30.0%
- Percentage who think Congress should be doing more to address global warming: 63.2%
- Total population: 907
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clr_flickr from Rocklin, USA // Wikimedia Commons

#22. Mono County

- Percentage who are worried about climate change: 67.7%
--- 4.2% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 68.7%
- Percentage who think global warming will harm them personally: 47.0%
- Percentage who hear about global warming in the media at least weekly: 33.6%
- Percentage who think Congress should be doing more to address global warming: 63.7%
- Total population: 11,500
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Binksternet // Wikimedia Commons

#21. Mendocino County

- Percentage who are worried about climate change: 67.7%
--- 4.1% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 69.3%
- Percentage who think global warming will harm them personally: 46.3%
- Percentage who hear about global warming in the media at least weekly: 30.1%
- Percentage who think Congress should be doing more to address global warming: 61.9%
- Total population: 68,528

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Mark Miller // Wikimedia Commons

#20. Merced County

- Percentage who are worried about climate change: 68.2%
--- 3.4% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 66.2%
- Percentage who think global warming will harm them personally: 48.7%
- Percentage who hear about global warming in the media at least weekly: 23.5%
- Percentage who think Congress should be doing more to address global warming: 63.4%
- Total population: 189,013
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#19. San Bernardino County

- Percentage who are worried about climate change: 68.4%
--- 3.1% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 67.9%
- Percentage who think global warming will harm them personally: 49.6%
- Percentage who hear about global warming in the media at least weekly: 24.5%
- Percentage who think Congress should be doing more to address global warming: 64.9%
- Total population: 1,562,559
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Daniel Orth // Flickr

#18. Riverside County

- Percentage who are worried about climate change: 68.6%
--- 2.8% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 64.7%
- Percentage who think global warming will harm them personally: 46.8%
- Percentage who hear about global warming in the media at least weekly: 26.2%
- Percentage who think Congress should be doing more to address global warming: 58.8%
- Total population: 1,769,474
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Cory Maylett // Wikimedia Commons

#17. Humboldt County

- Percentage who are worried about climate change: 68.8%
--- 2.5% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 71.3%
- Percentage who think global warming will harm them personally: 44.0%
- Percentage who hear about global warming in the media at least weekly: 31.9%
- Percentage who think Congress should be doing more to address global warming: 64.9%
- Total population: 109,510
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Stan Shebs // Wikicommons

#16. Napa County

- Percentage who are worried about climate change: 69.2%
--- 2.0% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 68.8%
- Percentage who think global warming will harm them personally: 46.8%
- Percentage who hear about global warming in the media at least weekly: 29.7%
- Percentage who think Congress should be doing more to address global warming: 65.8%
- Total population: 110,634

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Michael Patrick // Wikimedia Commons

#15. San Benito County

- Percentage who are worried about climate change: 69.3%
--- 1.9% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 68.0%
- Percentage who think global warming will harm them personally: 47.7%
- Percentage who hear about global warming in the media at least weekly: 26.1%
- Percentage who think Congress should be doing more to address global warming: 62.4%
- Total population: 43,815
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David Jordan // Wikicommons

#14. Fresno County

- Percentage who are worried about climate change: 70.4%
--- 0.3% lower than California average
- Percentage who agree that global warming is affecting weather in the US: 65.8%
- Percentage who think global warming will harm them personally: 50.0%
- Percentage who hear about global warming in the media at least weekly: 24.9%
- Percentage who think Congress should be doing more to address global warming: 56.8%
- Total population: 698,150
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Fred Hsu // Wikicommons

#13. Sonoma County

- Percentage who are worried about climate change: 70.9%
--- 0.4% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 71.8%
- Percentage who think global warming will harm them personally: 48.2%
- Percentage who hear about global warming in the media at least weekly: 31.8%
- Percentage who think Congress should be doing more to address global warming: 68.4%
- Total population: 400,497
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Pixabay

#12. Santa Barbara County

- Percentage who are worried about climate change: 71.1%
--- 0.7% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 71.4%
- Percentage who think global warming will harm them personally: 50.4%
- Percentage who hear about global warming in the media at least weekly: 32.1%
- Percentage who think Congress should be doing more to address global warming: 66.4%
- Total population: 344,624
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MARELBU // Wikimedia Commons

#11. Contra Costa County

- Percentage who are worried about climate change: 71.5%
--- 1.2% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 74.0%
- Percentage who think global warming will harm them personally: 50.9%
- Percentage who hear about global warming in the media at least weekly: 31.9%
- Percentage who think Congress should be doing more to address global warming: 63.6%
- Total population: 871,947

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BDS2006 // Wikimedia

#10. Los Angeles County

- Percentage who are worried about climate change: 71.7%
--- 1.6% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 69.6%
- Percentage who think global warming will harm them personally: 54.6%
- Percentage who hear about global warming in the media at least weekly: 26.8%
- Percentage who think Congress should be doing more to address global warming: 62.3%
- Total population: 7,851,531
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Kglavin // Wikimedia Commons

#9. Marin County

- Percentage who are worried about climate change: 71.9%
--- 1.8% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 72.6%
- Percentage who think global warming will harm them personally: 48.4%
- Percentage who hear about global warming in the media at least weekly: 37.6%
- Percentage who think Congress should be doing more to address global warming: 67.8%
- Total population: 207,389
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Epolk // Wikimedia Commons

#8. Yolo County

- Percentage who are worried about climate change: 72.5%
--- 2.7% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 73.2%
- Percentage who think global warming will harm them personally: 50.4%
- Percentage who hear about global warming in the media at least weekly: 31.4%
- Percentage who think Congress should be doing more to address global warming: 67.6%
- Total population: 169,057
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Naotake Murayama // Wikicommons

#7. Monterey County

- Percentage who are worried about climate change: 72.5%
--- 2.7% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 71.8%
- Percentage who think global warming will harm them personally: 51.3%
- Percentage who hear about global warming in the media at least weekly: 28.0%
- Percentage who think Congress should be doing more to address global warming: 66.9%
- Total population: 319,087
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Aaronbrick // Wikicommons

#6. Santa Cruz County

- Percentage who are worried about climate change: 72.7%
--- 3.0% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 74.2%
- Percentage who think global warming will harm them personally: 50.2%
- Percentage who hear about global warming in the media at least weekly: 33.6%
- Percentage who think Congress should be doing more to address global warming: 73.5%
- Total population: 220,004

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Cbl62 // Wikicommons

#5. Imperial County

- Percentage who are worried about climate change: 72.9%
--- 3.2% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 69.6%
- Percentage who think global warming will harm them personally: 52.0%
- Percentage who hear about global warming in the media at least weekly: 22.6%
- Percentage who think Congress should be doing more to address global warming: 67.5%
- Total population: 128,543
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Uladzik Kryhin // Shutterstock

#4. Santa Clara County

- Percentage who are worried about climate change: 74.4%
--- 5.4% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 76.6%
- Percentage who think global warming will harm them personally: 52.5%
- Percentage who hear about global warming in the media at least weekly: 29.1%
- Percentage who think Congress should be doing more to address global warming: 70.1%
- Total population: 1,489,516
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Craig Howell // Wikimedia Commons

#3. San Mateo County

- Percentage who are worried about climate change: 75.9%
--- 7.5% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 76.2%
- Percentage who think global warming will harm them personally: 50.2%
- Percentage who hear about global warming in the media at least weekly: 32.2%
- Percentage who think Congress should be doing more to address global warming: 71.1%
- Total population: 604,687
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#2. San Francisco County

- Percentage who are worried about climate change: 78.8%
--- 11.5% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 77.2%
- Percentage who think global warming will harm them personally: 53.7%
- Percentage who hear about global warming in the media at least weekly: 34.8%
- Percentage who think Congress should be doing more to address global warming: 74.4%
- Total population: 753,146
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Jennifer Williams // Wikimedia Commons

#1. Alameda County

- Percentage who are worried about climate change: 79.2%
--- 12.2% higher than California average
- Percentage who agree that global warming is affecting weather in the US: 75.7%
- Percentage who think global warming will harm them personally: 55.8%
- Percentage who hear about global warming in the media at least weekly: 32.1%
- Percentage who think Congress should be doing more to address global warming: 74.3%
- Total population: 1,299,186

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