outgreen

Verb

 * 1)  To surpass in environmental activism or consciousness, to be more conscientious than someone else about not harming the environment, be more green than another.
 * 2) * 1990, Zach Schiller, "P&G Tries Hauling Itself Out of America's Trash Heap", Business Week (April 23, 1990), Environment, page 101:
 * P&G is steering clear of exaggerated claims. Indeed, it has campaigned against "biodegradable" products, many of which don't break down in landfills. "We're not trying to outgreen everyone with advertising slogans," says Viney.