Environment

Sunoco plans to restart the controversial Mariner East 1 pipeline on Monday afternoon after agreeing to new safety measures demanded by Public Utility Commission inspectors.

The oceans' role in regulating climate and the threats they face from global warming are underestimated and missions are crucial in taking stock of the ecosystems' health.

As Kermit the Frog once said — it’s not easy being green. Amid challenges like pollution, deforestation and climate change, engaging ...

At a budget meeting Wednesday, the Philadelphia Streets Department chief told City Council that all the recycling material the city collects will soo be recycled again.

If consumers switch to paper bags, their environmental impact can be mitigated by state or local laws requiring that the bags are made of post-consumer waste.

Emissions from coke ovens can cause cancer, and they sometimes escape through leaky doors and other parts of plants.

Pennsylvania’s Environmental Quality Board voted Tuesday to advance a citizen climate petition aimed at dramatically cutting the state’s greenhouse gas emissions.

The House voted 191-6 Tuesday to grant the honor to the Eastern hellbender, which can grow to be more than 2 feet (a half meter) long and is battling declining numbers.

A group of young people wants to put climate change and social justice at the center of the debate for May’s City Council elections.

The country's largest coke plant was without pollution controls for over three months.

Water sources will be tested for PFAS contamination, and sampling will begin of urine, dust, and water from residents whose blood was already tested.

Philadelphia will launch a new street cleaning effort in six areas now battling extreme amounts of litter. The new brooms will officially roll out Tuesday.

New Jerseyans are cleaning up after severe weather roared through state, disrupting travel and knocking out power to thousands of utility customers.

A new bill in the Statehouse would require every school district in Pennsylvania to test for radon and inform parents of the results.

Some environmentalists say food production needs a fundamental reboot, with crops that stay rooted in the soil for years, like Kernza, a prairie grass.