Air

"Pediatric asthma is common in Calipatria, where young athletes compete despite extreme heat and air pollution. Some worry a lithium boom could make things worse."

"EPA declared Monday that power generators that don’t sell power to the grid aren’t beholden to Clean Air Act acid rain standards."

"About 70 million people in the US are set to face excessive heat advisories as dangerously hot temperatures scorch much of the country’s southern and central states."

"The Trump administration was sued ​on Tuesday by 18 Democratic-led states, Washington, D.C. and New York City over a new ‌federal rule they say would harm the climate by giving companies more time to stop using dangerous hydrofluorocarbons in commercial refrigeration equipment."

"Smoke from wildfires — which are burning more of the Northern Hemisphere as Earth warms — attacks nearly every system in the human body, killing tens of thousands of people a year, numerous medical studies show."

"In what many environmental organizations are touting as a victory, a federal judge last week ruled that the Environmental Protection Agency violated the Clean Air Act by failing to meet its legal deadline to identify areas failing to meet its 2024 particulate matter standard."

"President Donald Trump on Friday threatened to impose tariffs on Canada in retaliation for wildfire smoke, but it was not clear that he has the legal authority to impose such a levy."

"The contamination of a Cheyenne water system by a Meta data center underscores the worries residents have about more than two-dozen data centers that are and could be consuming Wyoming’s energy, water and landscape."

"The state will tax data center electricity but plans to reduce emissions at the facilities and secure environmental protections went nowhere."

"Thousands of visitors were told to evacuate a remote Minnesota wilderness area accessible only by boat as wildfires send dangerously heavy smoke over the U.S. Midwest and Northeast this week."