The 5-4 decision found the EPA did not consider compliance costs in regulating power plant emissions of mercury and air pollutants.
The justices ruled in a 5-4 decision that the EPA should have weighed the cost of compliance in deciding whether to regulate the pollutants.
Water Weekends at the Carnegie Science Center are filled to overflowing with cool activities about H2Oh!
It was a landmark ruling in a case brought by hundreds of citizens that could pave the way for similar legal battles around the world.
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The meeting was not billed as a decision-making event, and no decisions were made.
The EPA wants higher fuel-economy standards for heavy-duty trucks and buses to further cut carbon-dioxide emissions.
The Pittsburgh region’s growth is above the national average but not thriving like other areas, a U.S. Conference of Mayors report says.
South Fayette commissioners will hold a public hearing July 8 on a proposal to restrict drilling sites to areas zoned for industrial use.
What the Truchan family sees as a front yard treehouse, the township sees as a prohibited building.
A drought watch calls for a voluntary 5 percent reduction in non-essential water use.
The state told Range to submit a plan to repair the well’s cement casing, but it failed to submit a satisfactory plan, officials said.
Officials said thousands of dead fish had been seen over a 15-mile span of Conewago Creek and the state will monitor for contaminants.
Leaked draft of Pope Francis’ encyclical on climate change denounces leaders who subvert global action to advance national self-interest.
Rolling Stones keyboardist and musical director Chuck Leavell loves music, family and the environment.
The new program could have residents buy designated bags for their refuse, so that households that produce more garbage would pay more.
But the Environmental Protection Agency did not immediately propose new regulations.
The sightings were reported in the northern part of the township near Route 8 and Mount Royal Boulevard.
The world should move away from using fossil fuels by the end of this century, G-7 leaders said Monday.
The plan creates a template for the future development of natural resources and also allows for preservation of resources in the area.
NOAA researchers report that the pace of global warming hasn’t slowed since 1998, challenging climate-change skeptics’ key argument.
Township commissioners directed a Marcellus Shale gas drilling company to delay drilling in the northeastern corner of the township.
Groups say a plan to move ash on the Ohio and Monongahela rivers to a Beaver County landfill poses possible risks to public water sources.
The study by the Environmental Protection Agency is the first to conclude fracking can cause limited water pollution.
The review of 2012 and 2013 shows that recycling is on the increase in the city, but so are injuries to refuse workers.