Nearly two dozen Democrats want to be president. Only two have a climate change plan.

[LongtimeAZDem]

5. Biden in 2007:

To deal with global warming, you have to change the attitude of the world, particularly China and India, the two largest developing nations. But in order to do that, to have any credibility, you have to begin here in the United States by capping emissions, increasing renewable fuels, establishing a national renewable portfolio standard, requiring better fuel economy for automobiles. I would cap emissions at 80 percent below 1990 levels by 2050 and set a national RPS of 20 percent. I would announce an executive order that the federal government would not purchase one single automobile for its fleet that gets less than 40 miles to the gallon. And I would not build a single solitary federal project without it being a green project. That would have the effect of getting states to do the same thing, and that would create a pot of somewhere between a third and a half a trillion dollars that would be a lure to every major business in America to go green.

An interview with Joe Biden about energy and the environment