Good news for Democrats:

In an Associated Press-Stanford University poll, 40 percent said U.S. action to slow global warming in the future would create jobs. Slightly more, 46 percent, said it would boost the economy.

By contrast, less than a third said curbing climate change would hurt the economy and result in fewer jobs, a message Republican members of Congress plan to take to an international global warming conference in Copenhagen this week.

It's not an overwhelming margin, but it gives Democrats hope that they have somewhat successfully convinced Americans that cap-and-trade doubles as a jobs bill. With unemployment at double digits, that's almost a precondition of passing any climate change bill.

A poll last week showed that a slight majority of Americans favor the contentious climate bill.