Environment

Like many cities, when schools closed for the day, usually schoolyards did too. But when the school district upgraded its playgrounds, it kept them open longer.

Since being listed as threatened under the Endangered Species Act in 1975, grizzly bear populations in northwest Montana and the Greater Yellowstone Area have tripled.

The cause of the fire at the Delaware City refinery is still unknown. State Sen. Nicole Poore says no one was injured in the blaze.

Recycling company Terracycle will pick up the glass and plastic bottles and cartons from grocery stores, or your home, to be cleaned and refilled.

Just before 7:30 a.m. Saturday, Punxsutawney Phil emerged from his burrow in Pennsylvania at sunrise and didn't see his shadow.

An ongoing beach replenishment project in an Ocean County community that was saved from Superstorm Sandy's wrath won't negatively impact the formidable dune system, federal au

Delaware, New Jersey and four other states are challenging the EPA’s ruling on reducing pollution that blows across state lines.

A gas driller is escalating its campaign against a Pennsylvania homeowner who’s long accused the company of polluting his water, demanding that he be thrown in jail over his f

Residents of the mid-Atlantic and Midwest stayed indoors this week to avoid the Arctic air that swept the region, and used a lot of electricity and natural gas to keep warm.

New prohibitions would be a big victory for environmentalists, residents who have been campaigning for them for years.

If feds are withdrawing from PFAS rules, states will have to redouble efforts to protect public health, advocates say.

The Clean Water Act helped turn the Delaware River and its waterfront into a place many people enjoy today. But can the river be protected from future pollution?

Record-shattering cold, heavy snow and howling winds are descending on a broad swath of the U.S., the National Weather Service says.

The children wanted to call attention to climate change and environmental rights.

vGov. Tom Wolf kicked off the new year with an ambitious climate change goal: reduce the state’s greenhouse gas emissions 26 percent by 2025, and 80 percent by 2050.