Dana Bate

The PFAS Action Act would force the EPA to classify these chemicals as hazardous, which would free up money to clean up contaminated sites.

Forty percent of Philadelphians — many of them with lower incomes — drink bottled water at home, so a coalition is promoting tap water to residents.

The atlas would map every cell in a child’s body and advance understanding of how and why pediatric diseases occur.

The Global Water Alliance symposium focused on challenges to clean-water access and underscored that the problem isn’t confined to the developing world.

The bequest was Carol Orzel’s dying wish, so that others could learn more about her rare disease, fibrodysplasia ossificans progressiva.

Programs in municipalities around Philly are adjusting as China’s stricter standards for recyclable materials appear permanent.

Mountaire Farms slaughterhouse, subject of several ongoing lawsuits, spilled a million gallons of partially treated wastewater on its Millsboro, Delaware site early Wednesday.

The effort to eliminate HIV by 2030, will target “hotspots” nationwide for extra resources to diagnose, treat, and prevent the disease.

The 7 Day Pledge links hospitalized Medicaid patients with primary-care doctors, reducing the number of patients who end up back in the hospital unnecessarily.

The state Department of Environmental Protection is having an open hearing on two proposals that would allow New Jersey to rejoin the Regional Greenhouse Gas Initiative.

A new report exposes the gaps in the current food safety system, which recently has been put under strain during the government shutdown.

Industrial growth and raw sewage in the region in the 20th century killed aquatic life in much of the Delaware River and surrounding streams.