Would Sen. John McCain be a good environmental president? Don’t bet the planet on it. Joseph Romm at Salon writes that although the Republican nominee-to-be is the only GOP candidate who believes in the science of global warming and who has proposed legislation to reduce greenhouse gas emissions, his green credentials are shaky at best.

“While McCain may understand the scale of the climate problem, he does not appear to understand the scale of the solution,” writes Romm. Unless a President McCain appointed judges and agency heads who would not gut efforts to address climate change—something he’d be unlikely to do—he wouldn’t make much headway. Romm also points out that McCain has backed huge subsidies for nuclear power, yet he “remarkably” told Grist in an interview last October that wind and solar need no such help.

Over at Huffington Post, Arianna Huffington also calls out McCain on his environmental wishy-washiness in “End of a Romance: Why the Media and Independent Voters Need to Break Up With John McCain”:

“The old John McCain talked about trying to do something about global warming and encourage renewable energy. The new John McCain didn’t show up for a vote last week on a bill that included tax incentives for clean energy, even though he was in D.C. And then his staff misled environmentalists who called to protest by telling them that he had voted for it.”

McCain is still getting mileage out of the “maverick” label that no longer applies, Huffington claims. But perhaps he’s still a maverick when compared to green voters: He’s got almost nothing in common with them.

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—Keith Goetzman