The Darker Side Of Green Debate: Who Was Best-Dressed? (PHOTOS, POLL)

The stars turned out for 'The Darker Side of Green' climate change debate at Skylight West on March 30, 2010 in New York City. Some were dressed-up (Emmy Rossum, Gretchen Mol), some were dressed-down (Maggie Gyllenhaal, Sarah Silverman). Whose look do you like best? (Photos by JONATHON ZIEGLER/