PM

In a huge and perhaps unexpected win for the EPA, the Supreme Court on April 29 reversed an appellate court panel ruling that had rejected their attempt to regulate interstate air pollution caused by about 1,000 coal-fired power plants in 28 states.
May 1, 2014   The Wall Street Journal - Politics and Policy
An MIT study finds 200,000 early deaths per year in U.S. are attributed to air pollution. The biggest source is vehicle tailpipes at 53,000. Most impacted state: California; most impacted city: Baltimore.
Sep 3, 2013   MIT News
In what could be viewed as a classic environmentalist vs. business showdown, the EPA tightened by 20% the annual standard for soot over the objection of industry and some in Congress who fear it will dampen economic growth.
Dec 17, 2012   The Hill's Energy & Environment Blog
For the second time, a court has thrown out EPA efforts to address pollution from power plants in 'clean-air' states that cause pollution downwind. This time, the Cross-State Air Pollution Rule was the victim.
Aug 25, 2012   The New York Times - Environment