78% believe climate change is happening

NPR -The proportion of Americans who said global warming is "personally important" to them jumped from 63 percent to 72 percent from March to December of last year.

There has also been an 8-percent rise in the number of Americans who are "very worried" about global warming – 29 percent said they feel that way, while 40 percent said they are "somewhat worried."

And 56 percent of Americans said their family will be harmed by global warming.