Spreading oil and gas wastewater has been a cheap way for municipalities to suppress dust on unpaved roads in parts of Pennsylvania for years. But the waste can contain high levels of radioactive materials and other pollutants that are bad for water quality and human health.
Birds come north in the spring to feed on the explosion of insects and plant life that takes place during North American summers. But a warming planet is changing what we see at our bird feeders and in our forests.
Newly released emails show the Trump administration tried to stop the public from seeing a federal report on a toxic chemical used in nonstick cookware and firefighting foam at military installations.
The Pennsylvania Department of Environmental Protection will spend the money on projects around the state that treat polluted mine water, stabilize unsafe mine lands, and put out underground mine fires.
This "underdog" of aquatic animals can filter up to 600 gallons of water per month. Working together, mussels can dramatically clean the rivers where they live. Now, Philadelphia is banking on just that.
The Thwaites Glacier on the West Antarctic Ice Sheet is about the size of Pennsylvania. Reasonable modeling suggests it could lead to three feet of global sea level rise in the next century so its threatening nickname may not be far off.
The operator says it will take several months to study whether its system could withstand events like a pipeline shutdown, a cyber attack on a natural gas delivery system, or a prolonged cold snap.
The four nuclear power plants that could close produce more carbon-free power than all of the wind and solar in the Mid-Atlantic grid, according to one study. What's an environmentalist to do?
