Twenty-eight U.S. senators held an all-night "talkathon" Monday to call attention to climate change, an issue that only 24% of Americans say they worry about a great deal. This puts climate change, along with the quality of the environment, near the bottom of a list of 15 issues Americans rated in Gallup's March 6-9 survey. The economy, federal spending, and healthcare dominate Americans' worries.
And overall worry about the environment is also at a low:
