@Article{
AUTHOR="Peter  Barnes and Bill McKibben",
TITLE={A Simple Market Mechanism to Clean Up Our Economy},
JOURNAL={Solutions},
VOLUME={1},
YEAR={2009},
NUMBER={1},
PAGES={30--38},
URL={http://www.thesolutionsjournal.com/feature_article/2009-01-14-simple-market-mechanism-can-clean-our-economy}
}