National (U.S.)

"An industrial worker got one whiff of ethylene oxide. Twenty years later, he still hasn’t recovered — and his community is searching for answers."

"Scientists with financial ties to industry and histories of producing controversial research to derail chemical regulations are mobilizing to attack strict new federal drinking water limits for toxic PFAS, or “forever chemicals”, documents reviewed by the Guardian reveal."

"Artificial turf carpets athletic fields, playgrounds, and residential lawns across the US, offering a low-maintenance alternative to natural grass that always looks lush and doesn’t require heavy watering. But while this popular synthetic material is marketed as eco-friendly, it has also long attracted controversy – for decades, environmental and health advocates have expressed concern about the chemical byproducts of the turf’s plastic fibers."

"In an iconic corner of the Grand Canyon, a uranium mine may threaten a tribe’s sole water source"

"An Indiana-based philanthropic endowment will give $100 million to the official nonprofit of the National Park Service (NPS), the largest gift the organization has ever received."

"A rare but deadly disease spread by mosquitoes has one town in Massachusetts closing its parks and fields each evening. Four other towns are urging people to avoid going outdoors at night."

"Extreme heat killed more Americans in 2023 than any other year over nearly a quarter century of records, according to research published Monday in the Journal of the American Medical Association."

"Researchers in California are working to genetically engineer the cow microbiome -- and in the process, eliminate methane emissions."