New CC poll

Results here, write-up here:

Numbers:

• 71 percent of respondents are personally convinced that global warming is happening;
• 69 percent believe global warming is caused at least in part by human activity;
• 48 percent believe that climate change already is having dangerous impacts on people;
• 68 percent of Americans favor an international treaty that requires the U.S. to cut its carbon dioxide emissions 90 percent by 2050;