"A lone male roves the Arizona mountains, and a female has been spotted just across the border in Mexico. The sightings raise hopes for the species, despite serious threats."

"Levels in Lakes Mead and Powell have not been so low since 1957, underscoring a water crisis that plagues seven states that rely on the Colorado River."

"A POLITICO analysis finds that while the administration wiped out hundreds of billions in clean-energy tax breaks, spending has been harder to unwind."

"Research shows heat amplifies the dangers of pesticides for farmworkers, and that the problem is poised to grow as the global climate warms."

"Washington state will impose a fire-resistant building code in high-risk areas. Wildfire-prone areas are being excluded, some say."

"The Trump administration is defending a flood policy imposed by the Biden administration and supported by environmental groups against efforts by Republican-led states to overturn it in court."

"The Trump administration has paused all border barrier construction work at Big Bend National Park, after a flurry of videos showing bulldozers marring the protected landscape drove a furious backlash."

"For decades, communities have relied on the agency's cancer risk estimates to hold polluters accountable. This year, it's missing."