Sustainability

State environmental officials say the shutdown is necessary to protect the public during a period when many residents are dropping off Christmas trees.

Chester County leaders want to make more progress on its Climate Action Plan in 2023 to drastically cut its greenhouse gas emissions.

Pennsylvania finished regulations to join a carbon-trading program and to limit oil and gas site emissions in 2022.

Environmental officials say recycled Christmas trees can conserve and enhance soil.

Delco will make the report public in the first quarter of '23. The big question is what it will say — if anything — about the county’s use of incineration in Chester.

As temperatures across the Delaware Valley stay below freezing, electricity grid operator PJM Interconnection is asking customers to conserve energy through Dec. 25 at 10 a.m.

Feeling guilty about all the plastic, cardboard, and styrofoam your online orders come in? A craft supply business in Philly is trying to solve the problem.

The announcement Tuesday comes after U.S. environmental regulators in August designated the chemicals as hazardous substances under the so-called Superfund law.

After bringing their vision to Cheltenham, FarmerJawn sees an opportunity for more organic food access and Black farmers at Westtown School.

Conservationists say a huge financial gift will help them to increase recreation and education on Camden’s waterfront.

Delaware’s 302 Food Rescue app will use volunteers to collect unused food from groceries, restaurants, and elsewhere to deliver to agencies serving those in need.

Fallen leaves make great natural fertilizer and offer a place for insects to spend the winter.

PAR-Recycle Works in North Philly employs formerly incarcerated people and supports them on their reentry journey. “We want to see each other flourish,” said the founder.

By composting leftovers, a process that converts organic materials into nutrient-rich soil, people can help reduce the amount of trash being dumped into landfills.

Delegates reached a last-minute deal to pay vulnerable countries for damages caused by climate change.