5. Impacts of Global Warming

5.1 Two-thirds of Americans think global warming is affecting weather in the United States.

About two-thirds of Americans (66%) think global warming is affecting weather in the United States, including a majority (58%) who think global warming is affecting U.S. weather either “a lot” (35%) or “some” (23%).

This bar chart shows the percentage of Americans who think global warming is affecting weather in the United States. Two-thirds of Americans think global warming is affecting weather in the United States. Data: CCAM, Fall 2024. Refer to the data tables in Appendix 1 of the report for all percentages.

As noted above, 35% of Americans think global warming is affecting weather “a lot.”

This line graph shows the percentage of Americans over time since 2013 who think global warming is affecting weather "a lot". One in three Americans think global warming is affecting weather "a lot". Data: CCAM, Fall 2024. Refer to the data tables in Appendix 1 of the report for all percentages.

 

5.2 Most Americans think global warming is affecting environmental problems in the United States.

Most Americans think global warming is affecting many environmental problems in the United States at least “a little.” Seven in ten or more think global warming is affecting extreme heat (77%), wildfires (74%), droughts (73%), flooding (72%), rising sea levels (71%), and hurricanes (71%). Six in ten or more think global warming is affecting air pollution (68%), water shortages (67%), reduced snowpack (65%), tornados (65%), water pollution (63%), electricity power outages (62%), and agricultural pests and diseases (61%).

These bar charts show the percentage of Americans who think global warming is affecting environmental problems in the United States. Most Americans think global warming is affecting environmental problems in the United States. Data: CCAM, Fall 2024. Refer to the data tables in Appendix 1 of the report for all percentages.

 

5.3 A majority of Americans think extreme weather poses a risk to their community.

A majority of Americans (56%) think extreme weather poses either a “high” (16%) or “moderate” (40%) risk to their community over the next 10 years. Fewer think extreme weather poses either a “low” risk (31%) or “no” risk (6%).

This bar chart shows the percentage of Americans who think extreme weather poses a risk to their community. A majority of Americans think extreme weather poses a risk to their community. Data: CCAM, Fall 2024. Refer to the data tables in Appendix 1 of the report for all percentages.

 

5.4 A majority of Americans are worried about harm from environmental problems in their local area.

As shown in Section 5.2, many Americans think global warming already affects numerous environmental problems in the United States. This section details how worried Americans are that each of those environmental problems will harm their local area in the future. Majorities of Americans are at least “a little worried” their local area might be harmed by air pollution (75%), electricity power outages (74%), water pollution (74%), droughts (70%), extreme heat (69%), agricultural pests and diseases (66%), flooding (61%), water shortages (61%), tornados (57%), and wildfires (55%). Many Americans are also worried their local area might be harmed by reduced snowpack (43%), hurricanes (42%), and rising sea levels (42%).

These bar charts show the percentage of Americans who are worried about harm from environmental problems in their local area. A majority of Americans are worried about harm from environmental problems in their local area. Data: CCAM, Fall 2024. Refer to the data tables in Appendix 1 of the report for all percentages.