Winter is still the fastest-warming season on the East Coast. “You're always going to see variable weather patterns,” one expert said.

Sherrill ordered state regulators to boost renewables and natural gas in light of rising electricity prices.

The new rules require development in coastal flood zones to be elevated 4 feet higher to account for future sea level rise.

A rowhouse built around 1760 in Old City was once heated with firewood. Now, it has solar panels on its roof.

Organizers hope the day of service encourages people to volunteer year-round.

Water providers are removing toxic PFAS chemicals from drinking water, but current methods are energy intensive. Temple researchers are looking at alternative technologies.

The remnants of Hurricane Ida caused millions of dollars in damage to homes and led to the deaths of four people in Bucks and Montgomery counties.

FEMA approved the city to join its Community Rating System, a program that rewards municipalities that take steps to reduce flood risk.

Delaware environmental regulators are calling for increased access to electric vehicles, and the protection of natural resources.

The lawsuit filed against PECO and the company operating the Bristol Health and Rehabilitation Center says both companies failed to evacuate residents, staff and visitors.

Studies suggest nature can help lower stress and boost attention. Researchers and educators say it can also help kids express creativity.

Delaware law does not allow residents to dispose of real trees or yard waste in landfills.

Rising seas are drowning New Jersey wetlands. A new round of state climate funding aims to make them more resilient.

The federal residential rooftop solar tax credits expire at the end of this year. But Philly-area homeowners have another affordable option through leasing.

Concrete reabsorbs some of its carbon emissions over time. Alternative ingredients and 3D printing could help supercharge that by making the finished concrete more porous.