Air & Climate E-Zine
May 2009

This Month´s Featured Articles, Papers & Reports
China slowly cleaning up its act
China’s coal-driven economy has become the largest emitter of CO2 in the world. This is not about to change any time soon, though high prices, blackouts, mine-accidents and pollution all contribute to a drive towards cleaner alternatives, including cleaner coal technologies. In Shanxi province, in the north of China, coal is so abundant that in large areas it covers the surface of the ground. The total production capacity of the thousands of mines in Shanxi is 600 million tons a year, about a quarter ...
Bottom line on regulating greenhouse gases under the clean air act
How can the EPA regulate GHGs? Doesn’t the Clean Air Act only apply to air pollutants? An April 2007 Supreme Court decision (Massachusetts v. EPA) ruled that GHGs are air pollutants under the Clean Air Act. The court instructed the EPA to decide whether GHG emissions endanger public health and/or welfare, or if current science is too uncertain to make a reasonable judgment. In response to the Supreme Court decision, the EPA found in April 2009 that GHG emissions do indeed endanger public health ...
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