"At the height of the Los Angeles County wildfires, atmospheric concentrations of lead, a neurotoxin, reached 100 times average levels even miles from the flames, according to early detailed measurements obtained by The New York Times. Levels of chlorine, which is also toxic at low concentrations, reached 40 times the average."

"Brazil's newly nominated head of the planned 2025 COP30 climate summit in the Amazonian city of Belem warned on Tuesday that President Donald Trump's decision to withdraw the United States from the Paris Agreement would cast a shadow over the talks."

"The increased frequency and size of conflagrations like those burning in LA threaten even species that evolved with wildfires, including the region’s struggling mountain lions."

"President Trump directed the Treasury Department to freeze new offshore wind leases on the outer continental shelf Monday evening as one of a flurry of executive orders he signed within hours of taking office."

"President Donald Trump ordered his administration to consider eliminating subsidies and other policies that favor electric vehicles, laying the groundwork for moves that risk slowing adoption of cleaner cars in the US."

"The Trump administration has ordered federal agencies to ​“immediately pause the disbursement of funds” under the landmark federal climate and energy laws passed during the Biden administration, a move that will throw tens of billions of dollars of lawfully designated federal funding into limbo — and one that is likely to be challenged in court."

"During his first day in office, U.S. President Donald Trump issued a flurry of executive orders that could bolster the fossil fuel industry amid mounting losses from the climate crisis."

"The Trump administration has instructed federal health agencies to pause all external communications, such as health advisories, weekly scientific reports, updates to websites and social media posts, according to nearly a dozen current and former officials and other people familiar with the matter."