"After a wildfire ripped through central California last month, residents in the Riverside Grove neighborhood in the Santa Cruz Mountains discovered another danger: contaminated water coursing through their pipes."

"The Trump administration has rejected scientific evidence linking the pesticide chlorpyrifos to serious health problems, directly contradicting federal scientists’ conclusions five years ago that it can stunt brain development in children."

"California will ban the sale of new gasoline-powered cars to combat climate change starting in 2035, a move that could help reshape the nation’s automobile market and its output of greenhouse gases."

"Many residents of Martin County, Kentucky, won’t drink their tap water, a legacy of years of mismanagement".

"Power plants, refineries, and other industrial sources may now be able to avoid stringent pollution controls if the toxic air particles they emit fall below a mandated legal threshold."

"Asphalt—a petroleum product used on roads and roofs—is a significant source of harmful chemicals that end up contributing to ozone and particulate matter pollution, according to a study published today in Science Advances."

"In secretly recorded meetings, executives with the Pebble Mine project said the operation could run nine times longer than outlined in their permit filings."

"An international team of prominent scientists has published what they say is the most comprehensive study to date calculating the complex climate impact of aviation emissions, reaffirming that contrail clouds produce more warming than carbon dioxide."

"The wildfires blazing in the West could hinder developing lungs, worsen asthma and even lead to the condition in those who don’t have it but are genetically disposed to it."

"SAN FRANCISCO — Ian MacDonald, a 14-year-old in Portland, Ore., got a treat from his parents the other day. He was allowed to go outside.

"EPA bowed to White House pressure during interagency review of an oil and gas emissions rule by reducing requirements for a segment of the natural gas supply chain to monitor and repair methane leaks."