Some levels are higher than what the EPA deems actionable. An agency spokesperson and the Philly health department say the levels don’t indicate health impacts for nearby neighborhoods. But the director of Global Public Health and the Common Good at Boston College said any exposure increases risk.
In Bucks and Montgomery counties, PFAS contaminated local water through firefighting foam used at two military bases.
Environmental groups cheered the plan, which calls for spending on everything from renewable energy to plugging old oil and gas wells that emit methane.
Transportation recently overtook the electric power sector as the largest source of greenhouse gas emissions in the U.S.
A new field of climate science known as attribution science examines how a warming atmosphere plays a part in individual weather events.
By
Susan Phillips 
Political observers point to a few reasons why Pennsylvania doesn’t act more aggressively: Climate change often takes a backseat to other pressing issues, the discussion remains deeply partisan, and the fossil fuel industry holds a lot of influence in the natural gas-rich state.
By
Rachel McDevitt 
The public comment period, which closed Monday, included a group of 50 institutional investors with $4 trillion in assets who issued a statement in support of the rule.
Dickinson College is partnering with three other schools on a renewable energy contract to help each one offset its greenhouse gas emissions.
