Scientific knowledge often runs years ahead of commercial products. PFAS, or per- and polyfluoroalkyl substances, a group of ...

EPA plans to reverse endangerment finding, a foundation of the federal government's ability to address climate change.

The U.S. Environmental Protection Agency plans to reverse its scientific determination that greenhouse gas emissions endanger ...

According to two people familiar with the draft, it would eliminate the bedrock scientific finding that greenhouse-gas ...

The U.S. Environmental Protection Agency is planning to reverse a key scientific determination that greenhouse gas emissions endanger public health, removing the legal foundation that underpins all ...

University of Utah researchers have developed a material that addresses an urgent environmental challenge: the real-time detection and efficient removal of perfluorooctanoic acid (PFOA), a toxic and ...

Known as the “endangerment finding,” the 2009 declaration has served as the basis for federal rules limiting greenhouse gas ...

For years, the petrochemical industry has treated PFAS — per- and polyfluoroalkyl substances — as someone else’s problem.

Many Pennsylvanians don't know if their well water contains chemicals that can weaken the immune system, increase cancer risk ...

Scientists and regulators are divided over the threat posed by rising levels of a chemical called TFA.