"A freight train derailment in Ohio near the Pennsylvania state line left a mangled and charred mass of boxcars and flames Saturday as authorities launched a federal investigation and monitored air quality from the various hazardous chemicals in the train."

"While emissions of sulfur hexafluoride (SF6), the world’s most potent greenhouse gas, have fallen sharply in the U.S. in recent decades, actual emissions are significantly higher than the official government estimates, a new study concludes."

"Longstanding research shows the health dangers of gas-burning ranges. Utilities are turning to Julie Goodman, a toxicologist with a firm whose work raises questions about the science."

"When Multnomah County in Oregon convened a recent public hearing on the health hazards posed by pollution from gas stoves, a toxicologist named Julie Goodman was the first to testify.

"The oil and gas industry donated millions of dollars to members of the House in the last election cycle. Now, many of the top recipients are well-positioned to advance its interests."

"Weak U.S. water protection rules and federal oversight has allowed dozens of U.S. oil refineries to dump toxic chemicals and metals into the nation’s waterways, the Environmental Integrity Project (EIP) said in a report released on Thursday."

"In hindsight, it’s clear that something was very wrong in this suburban town at the Jersey Shore, where many people worked at or lived near a chemical company that was flushing toxic waste into waterways and burying it in the ground."

"Pennsylvania’s environmental regulator says, over a five-year period, more than half of conventional oil and gas operators failed to report how much gas they pulled from the ground and whether their equipment is safe."

"Fire departments face liability risks and potentially huge costs and uncertainties as they switch from PFAS-enabled firefighting foam, according to lawyers and groups working with them."