National (U.S.)

"After nearly 40 years, the Arctic Research Consortium of the United States, or ARCUS, will close September 30, a casualty of President Donald Trump’s proposed budget cuts and his administration’s focus on using the Arctic as an outpost for national security and energy dominance — and its push away from science."

"The sugar industry and companies that make sweet drinks and foods have spent nearly a century downplaying sugar’s role in health problems and distorting the science around fluoride — and the practice continues today, according to a new study."

"The world’s biggest capital cities are now sweltering under 25% more extremely hot days each year than in the 1990s, an analysis has found. Without urgent action to protect millions of people from high temperatures, more and more will suffer in the dangerous conditions, analysts said."

"A project in western Alaska is being fast-tracked in a process that has not yet included legally required consultations with Inupiaq communities."

"Facing weakened pollution targets and threats of federal inaction, Maryland and Virginia may have to become the agreement’s enforcers."

"As US states increasingly pass laws to limit PFAS chemicals in consumer products, a debate is heating up over a California bill that proposes banning the sale of cookware with intentionally added “forever chemicals” beginning in 2030."

"EPA is trying to complete an agencywide restructuring effort while also weakening marquee regulations in October and November. Now it might have to do that in the midst of a government shutdown."

"Meet the researchers restoring these unique wetlands high in Colorado’s San Juan Mountains."

"Utilities are struggling to meet demand as AI data centers surge. Equipping air conditioners with batteries could be an easy and hugely scalable way to free up electricity supply at peak times."

"More than 680 volunteers, including some from as far away as Japan, descended on the Appalachian Trail in the past year to help recover a landscape forever scarred by Hurricane Helene."