Sophia Schmidt

Advocates worry the recent removal of tide gates at FDR Park hurt trees. Experts say it depends on the species and on how long they’re inundated.

Scientists predict that Adélie penguins could disappear from the western Antarctic Peninsula. Researchers at UD and Temple are tracking the changing conditions.

Philadelphia's first water commissioner transformed the city's drinking water system but "was no saint.”

The company redeveloping the former PES refinery site has promised a “green, sustainable” project, but residents want more specific commitments.

Council authorized hearings on Philadelphia’s emergency management practices for drinking water threats after a March chemical spill triggered a bottled water advisory.

Philly’s air monitors did not detect a rise in unhealthy particulate pollution during Wednesday’s fire, officials say, but the closest monitor is two miles away.

Saturday’s event features a candidate forum, a play written by teens, and workshops on gentrification and jobs.

Over a week after a chemical spill threatened to pollute Philly’s drinking water, the city confirms the chemicals have not been found in the water.

A chemical spill endangered Philly’s biggest drinking water plant. Sea level rise combined with a drought could push salt toward that same facility.

The contamination threat is the latest in a series of disasters that underscore the need for infrastructure investments.

Philadelphia officials gave the all-clear Tuesday, after analyzing over 100 samples of water they feared could be affected by a chemical spill.

Officials say the city’s tap water is safe to drink until at least 11:59 p.m. Wednesday. They expect the contamination to clear by Thursday.