Wolves in Green Clothing The misperception and misdirection of the movement was dramatized by the 30th Earth Day celebration in April where founding father Denis Hayes highlighted a clean car as a major goal. Not a word from the environmentalist or his peers about public transportation. Not a word about planning and zoning and stopping sprawl or highway building. No endorsement of biking or bike paths; no walking, no pedestrian advocacy no traffic calming statements. Not an effort to emulate, say, the no-drive days that Europeans practice or the engaging radicalism by Carbusters magazine based there. No word on cleaning the existing 200 million vehicles which contribute 25 percent of heat-trapping gases