Establish an economy - wide GHG cap - and - trade system that auctions 100 percent of carbon pollution allowances, promotes energy efficiency and accelerates clean energy technologies. (treehugger.com)
This argument is especially galling to EPA's supporters, because under President George W. Bush's administration, when Holmstead himself was an EPA official in charge of air pollution programs, the agency tried to regulate mercury pollution using a similarly flexible system of pollution allowance trading. (sciencemag.org)
The students have raised $ 20,500 to buy so - called pollution allowances at the U.S. Environmental Protection Agency's annual auction at the Chicago Board of Trade this week. (edweek.org)