A study of 315 locations around the country found that the holiday explosions temporarily boosted the levels of airborne microscopic particles that can pose a health risk.
Air purifiers and HEPA filters combat indoor air pollution, but for a greener option, use houseplants.
Philadelphia is one of five cities to test out a high-tech bench that allows the public to participate in the measurement of air quality and weather information.
For many, Earth Day is simply a day that comes and goes, but the meaning behind the day means much more just planting a few trees.
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.
House Republicans targeted a key element of President Obama’s strategy for fighting climate change, releasing a bill to delay the Obama administration’s plan to limit carbon pollution.
Democrats on a congressional oversight panel are stepping up their investigation into how well states are regulating the disposal of oil and gas waste, citing continuing public concern about the potential environmental and health risks of hydraulic fracturing.
With the recent dip in oil prices, the Environmental Protection Agency wants the State Department to “revisit” how much of a toll the Keystone XL oil pipeline would have on global warming.
The storybook ride of Hyundai and Kia hit a major speed bump recently when the companies got significant fines for overstating fuel-economy claims.
Two citizens groups say they’re ready to take Tredyffrin Township to court over a series of raw sewage spills in Valley Forge National Historical Park.
Under EPA regulations, it is legal to scatter a deceased person’s ashes, with several restrictions.
Something is clearly wrong with the Smallmouth Bass of the Susquehanna River. A recent Fish and Boat Commission census found their population diminished, and many young fish dotted with sores and black spots.
Figures show the Schuylkill River is the 17th most polluted local watershed in America. The Delaware River ranks even higher.
Ed Perry of the National Wildlife Federation has spent seven years looking at the effects of climate change in Pennsylvania.
Nation’s Top Water Official Discusses Proposed Rule To Clarify Clean Water Act During Valley Forge Visit
The top water official in the country paid a visit to Valley Forge National Historical Park Thursday. She spoke to kayakers, anglers and others about a proposed rule to clarify the Clean Water Act.