"The US has announced nearly $1bn in grants to replace diesel-powered school buses with electric and lower-emitting vehicles."

"From a ship in the Labrador Sea, scientists are tracking how gases move through global waters – a rare natural phenomenon that may be crucial to the management of the climate crisis".

"California’s largest greenhouse gas polluters, from power plants to oil refineries to chemical manufacturers, produced slightly fewer emissions last year than the previous year, federal data shows. But it’s still too much planet-warming gas to cut significantly into the problem of climate change, environmentalists say."

"Industrial developers describe facilities as “minor” polluters to avoid federal permitting requirements, and environmental lawyers say the Texas Commission on Environmental Quality lets it happen."

"The Biden administration pushed through a packed clean air to-do list in 2023, shoring up against a tougher legal landscape and multiple courtroom battles that threaten to delay cornerstone air and climate plans."

"The United States and the state of California have reached an agreement in principle with the truck engine manufacturer Cummins on a $1.6 billion penalty to settle claims that the company violated the Clean Air Act by installing devices to defeat emissions controls on hundreds of thousands of engines, the Justice Department announced on Friday."

"The Supreme Court will soon consider a case that has the potential to deal a massive blow to the Biden administration’s goals of cleaning the air and weaning power plants off of coal."

"Scientists with NASA’s Jet Propulsion Laboratory were flying a plane equipped with a visible-infrared imaging spectrometer over an oil field in California’s San Joaquin Valley when they made a worrisome discovery. Images produced by the device revealed a large plume of methane lingering in the air."

"Louisiana must strengthen rules over the release of ozone-creating nitrogen oxide air emissions by industries in the Baton Rouge area during startups, shutdowns and malfunctions, or the federal Environmental Protection Agency will write and enforce its own rules, the agency announced this week."