NOAA

40% of Americans Say Global Warming Can Cause Human Extinction, Even if Hottest Period Was Before Man Existed

Four in 10 Americans — or 39 percent — think the odds for human extinction because of climate change or global warming are 50 percent or more. But the majority of Americans, or 58 percent, think the odds of human extinction because of climate change is less than 50 percent, revealing that climate change is not a topic of universal agreement in the United States.

A demonstrator dressed as a polar bear joins others gather infront of the White House in Washington, Tuesday, March 28, 2017, during a rally against President Donald Trump's Energy Independence Executive order. Trump signed an executive order aimed at moving forward on his campaign pledge to unravel former President Barack …