Why do fewer Americans believe the earth is warming? A range of possibilities, including a sour economy and, perhaps, a cooler than normal summer in parts of the U.S., may provide an explanation.
There has been a sharp decline in the percentage of Americans who say there is solid evidence that global temperatures are rising. Still, there is more support than opposition for cap and trade policy.
New polling finds public favors setting limits on carbon emissions, allowing gays to serve openly in the military and re-establishing diplomatic relations with Cuba.