Sep 25, 2008 — A coalition of 10 northeastern states holds the nation's first sale of pollution credits aimed at curbing global warming today. It's actually an auction for the right to release carbon dioxide. The Regional Greenhouse Gas Initiative, or RGGI [Reggie], runs the sale. Its goal: to cut the region's carbon pollution by 10% over about a decade. The idea is to make electric power companies buy permits to emit carbon dioxide, which causes global warming. But even supporters of the plan say it's not ambitious enough. As part of a collaboration with Northeast stations, Sacha Pfeiffer of WBUR in Boston reports.