Half of Americans fret over global warming: poll

The share of the US population concerned about climate change has reached a new high of 50 percent, according to a Gallup poll released Monday.

Americans still deeply divided on climate change: poll

Americans are still deeply divided on the causes and cures of climate change and these differences extend to how much they can trust information from climate scientists and their research, according to a new poll released Tuesday by the Pew Research Center.