Environment

More than 3.4 million Pennsylvanians are supplied by drinking water containing radium that exceeds a strict California standard, which advocates say should replace a looser fe

State Attorney General Matt Denn sent a letter to U.S. Interior Secretary Ryan Zinke to formally object to the federal plan to allow oil drilling off Delaware’s coast.

As more farmers choose Detroit as a place to put down roots, some are wondering what the future of urban agriculture look like.

Mice, rats, mosquitoes, lizards, and other animals are adapting to live in environments created by humans.

U.S. Interior Secretary Ryan Zinke has removed Florida’s waters from consideration for expanded offshore oil and gas drilling — and New Jersey wants the same exemption.

When it comes to anything other than earth disturbance or water crossings, the agency doesn’t have jurisdiction.

Sunoco/Energy Transfer Partners, which is building the $2.5 billion pipeline, paid for the report.

The study looked at decades of streamwater data at U.S. Geological Survey monitoring sites.

The only public hearing scheduled by the EPA to discuss the decision to end the Clean Power Plan was held in West Virginia, so Delaware leaders held their own hearing.

Unusually low tides and high winds impacted the water levels in its intake canal.

Warming oceans put more moisture and energy into the atmosphere, creating conditions for stronger storms.

U.S. coal companies also ramped up production as demand in China increased.

The five-year plan includes the Atlantic, Arctic, and waters off the California coast.

The ongoing frigid temperatures is forcing many people to abandon central heating and shrink their lives to just a couple rooms with space heaters.