Certainly there’s uber-enviro Ed Begley Jr., who has his own green reality-TV show (Living with Ed) and whose greenness is so notorious that an episode of The Simpsons had him driving a car powered by his sense of self-satisfaction.

Don’t count out Arnold Schwarzenegger, the Governator, who as California’s head has ensured that the state remains No. 1 in the nation when it comes to tackling climate change — though he hasn’t shaken his Hummer habit.

And of course there’s Leonardo DiCaprio, who proves conclusively that, contrary to what many conservatives think, earth-friendly habits needn’t preclude you from a rich lifestyle of award-winning film performances and rampant supermodel-dating.

But the greenest of them all may be a name that’s less known: More…