Red, Green and Blue, an environmental politics website, rates John McCain's field of possible vice presidential running mates on their commitment to the environment.

As governor, Mitt Romney disappointed the Massachusetts' environmental community by pulling out of the Regional Greenhouse Gas Initiative after his administration spent two years negotiating the deal. (Romney’s successor, Gov. Deval Patrick reversed that decision.)

And Mitt's opposition to a proposed offshore wind farm in the waters of Nantucket Sound won't win friends with the renewable energy crowd.

Finally, RG&B's Timothy Hurst adds:

I know I might make some enemies by saying this, but it is my belief that no one with five children can honestly call themselves an environmentalist.