EPA begins process to regulate toxic, widely used chemicals

The Environmental Protection Agency on Tuesday released a list of toxic chemicals that will be the first reviewed under a recently enacted law that gives regulators increased authority to ban substances shown to endanger ...

EPA: No changes to federal lead water rule until next year

The Environmental Protection Agency's top water regulator said Wednesday that officials are working urgently to strengthen a federal rule limiting lead and copper in drinking water—a key focus in the ongoing lead-contamination ...

Diesel vehicles and pollution in Ireland

Researchers from the Schools of Engineering and Natural Sciences at Trinity College Dublin are teaming up to assess the extent of damaging particulate emissions coming from diesel vehicles in Ireland. These emissions are ...

NOx gases in diesel car fumes: Why are they so dangerous?

Nitrogen oxides, poisonous gases that contribute to acid rain and suffocating smog, are found in the fumes of diesel cars like the ones Volkswagen has admitted to fitting with emissions-cheating software.

Utah urges caution over toxic-spill river

Outdoor enthusiasts in Utah were urged Wednesday to use caution along a river tainted by a toxic waste spill at an abandoned gold mine in Colorado a week ago.

Justices seem divided over EPA mercury limits (Update)

The Supreme Court's conservative justices cast doubt Wednesday on the Obama administration's first-ever regulations aimed at reducing power plant emissions of mercury and other hazardous air pollutants that contribute to ...

Wrangling over pesticide ingredients comes to a head in 2015

Consumer advocates are fighting a new rule proposed by the Environmental Protection Agency that aims to address concerns over "inert" ingredients, including fragrances and dyes, in pesticides for non-food use. They say the ...

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