"High-profile studies reporting the presence of microplastics throughout the human body have been thrown into doubt by scientists who say the discoveries are probably the result of contamination and false positives. One chemist called the concerns 'a bombshell.'"

"Decades of water depletion, dam building and repression of scientists and environmentalists have driven Iran toward ecological crises that are fueling protests rocking the country."

"The Republican-controlled House on Tuesday advanced legislation aimed at fulfilling President Donald Trump’s long-running desire to “make showers great again” by voting to loosen federal efficiency standards for showerheads."

"What happens in Greenland doesn’t stay in Greenland. Turns out, the fate of the world’s largest island has outsize importance for billions of people on the planet. That’s because of the one thing that Greenland is quickly losing: ice."

"The Maine Center for Disease Control and Prevention has lowered the state limit on forever chemicals, or PFAS, in drinking water to align with rigorous federal standards established by the Biden administration."

"Florida and Utah have banned fluoridation, with multiple other states looking to do the same. Critics of fluoride in drinking water point to supplements as an alternative, but many are creating barriers to these very products."

"Ohio is letting the oil and gas industry put more toxic waste underground despite community concerns — even as the state defers to local opponents of clean energy."

"An epidemic of a deadly lung disease among hundreds of workers who cut kitchen and bathroom countertops has regulators on opposite sides of the country considering two drastically different responses this week."

"The FBI executed a search warrant Wednesday morning at a Washington Post reporter’s home as part of an investigation into a government contractor accused of illegally retaining classified government materials."