"Sixteen states on Monday filed lawsuits against the U.S. Environmental Protection Agency, contesting a rule that expands the definition of bodies of water subject to federal pollution controls."

"Lung-damaging silica, other toxic substances kill and sicken tens of thousands each year as regulation falters".

"The Supreme Court ruled [Monday] that the Obama administration unlawfully failed to consider compliance costs before it issued its landmark power plant emission limits for mercury and other hazardous pollutants."

"The Environmental Protection Agency has announced a $168 million settlement to help remedy pollution from a coal-fired power plant on the Navajo Nation."

"A Dutch court has ordered the government to cut greenhouse gas emissions by at least 25% by 2020, in a case environmentalists hope will set a precedent for other countries."

"The Obama administration's long-awaited hydraulic fracturing rule will not take effect as scheduled today [Wednesday, June 24, 2015], thanks to a federal judge's eleventh-hour decision to stay the rule until August."

"A deep rift threatens the future of one of the nation's oldest and most popular conservation laws as it enters its final 100 days of authorization."

"The White House has threatened to veto two GOP measures taking aim at Obama administration climate efforts."

"The House on Tuesday approved a bipartisan bill that would update regulation of harmful chemicals for the first time in nearly 40 years."

"Petroleum coke, or 'petcoke,' is still a problem in Chicago despite city regulations, and it could quickly become a problem in other parts of the state if there are no limits or rules on storage of the toxic powdery byproduct of oil refining."