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Climate Change in the American Mind, March 2021


3. Perceived Risks of Global Warming

3.1. About four in ten Americans say they have personally experienced the effects of global warming.

About four in ten Americans (42%) say they have personally experienced the effects of global warming, while more than half (57%) say they have not.

 

3.2. More than four in ten Americans think people in the U.S. are being harmed “right now” by global warming.

More than four in ten Americans (45%) think people in the U.S. are being harmed by global warming “right now,” an increase of seven percentage points over the last five years (since March 2016).

 

3.3. Many Americans think they will be harmed by global warming, but think others will be harmed more.

Many Americans understand that global warming will cause harm. Americans are most likely to think that plant and animal species (71%) and future generations of people (71%) will be harmed “a great deal” or “a moderate amount” by global warming. Six in ten or more think the world’s poor (68%), people in developing countries (68%), and people in the U.S. (63%) will be harmed, and half think people in their community (50%) will be harmed. Four in ten or more think their family (48%), and they themselves (45%) will be harmed.