Buster Posey loves Mother Earth, takes a mid-inning break to pick up litter

Fine, you drive an electric car and you always bring your own bag to the grocery store. But guess what? You don't care about the earth as much as Buster Posey. During Saturday night's game, the Giants catcher paused in the bottom of the tenth inning to chase after an errant napkin that had floated onto the field:

Buster Posey is basically Captain Planet. And Michael Morse is probably Heart.