By the time of his campaign, however, he had become a studied tree-hugger.

ECONOMIST: Hot air over a tentative carbon tax

No one can accuse him of being a soft-headed tree-hugger.

ECONOMIST: T. Boone Pickens takes to the skies

Obama has no chance of killing the oil and coal tax breaks, but even if he did, the next guy would probably just add them back (national security, you know) without dumping the tree-hugger stuff.

FORBES: Obama Proposes Tax 'Deform'

He's a big tree hugger and bird-watcher.

NPR: Who Is Henry Paulson?