Sustainability

The treaty will create a new body to manage ocean life conservation and establish marine protected areas in ocean regions outside national boundary waters.

The Delaware Center of Horticulture will plant more than 300 trees to enhance health in Wilmington while fighting environmental injustice.

Terrill Haigler plans to host a series of one-on-one interviews with mayoral candidates about illegal dumping and sustainability.

An agenda advocacy organizations launched Wednesday includes restructuring the city’s waste operations and rebuilding public trust around recycling.

A massive electric vehicle test track sits amid hundreds of vehicles on display. It's a big upgrade from the dark corner where it was at last year’s show.

Nesting piping plovers show resilience in Delaware while the shorebirds struggle to maintain their population along the southern Atlantic Coast. Researchers want to know why.

Hundreds of tires, a deflated soccer ball, and a bag of bones are just some of the items cleaned up as part of the King Day of Service in North Philadelphia.

There’s enough groundwater from the Delaware River Basin, which supplies peoples’ drinking water, to last until at least 2060, researchers say.

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.