"The Trump administration on Monday took its first step toward tighter pollution controls on trucks, an anomalous move for a government known for weakening environmental policies but one that would pre-empt tougher state rules."

"New rules introduced by International Maritime Organisation expected to reduce certain forms of air pollution"

"Scientists fear climate change will drive a surge in the number of supersized and dangerous bushfires that become coupled with the atmosphere and create their own violent thunderstorms."

"Louisiana’s Department of Environmental Quality has been accused of protecting the chemical industry it regulates. The agency is facing cutbacks as new plants are slated for communities that already have some of the country’s most toxic air."

"The first satellite designed to continuously monitor the planet for methane leaks made a startling discovery last year: A little known gas-well accident at an Ohio fracking site was in fact one of the largest methane leaks ever recorded in the United States."

"People living near Medline Industries in north suburban Waukegan had higher levels of the cancer-causing chemical ethylene oxide in their bloodstream than others who live farther away, according to test results from a federally funded study."

"Immense amounts of methane are escaping from oil and gas sites nationwide, worsening global warming, even as the Trump administration weakens restrictions on offenders."

"Authorities on Thursday lifted a second evacuation order in a week for thousands of people in a Texas city as U.S. safety officials began examining what caused the latest in a series of chemical plant fires in the state."

"The Environmental Protection Agency (EPA) on Tuesday released its newest definition for ambient air in a move critics say will ease burdens on polluting industries. On its surface, the guidance deals less directly with air quality than it does with fencing."

"EPA is poised to leave its national soot standards unchanged after a fractured advisory panel yesterday formally opted to recommend the status quo. While career EPA staff had tentatively concluded that the annual exposure benchmark is too weak to prevent thousands of premature deaths, a majority on the Clean Air Scientific Advisory Committee found otherwise."