Blue states and environmental groups are eagerly preparing to sue the Trump Environmental Protection Agency over its rollback of climate-protecting vehicle emission standards.

"Environmental groups today [Wednesday] scored a courtroom victory in their quest to obtain information relevant to EPA's rollback of Obama-era vehicle emissions standards."

"There’s a hidden cost to the way Florida’s farmers bring in the sugar crop. Just visit the hospitals and measure the climate impact."

"The US agriculture giant Monsanto and the German chemical giant BASF were aware for years that their plan to introduce a new agricultural seed and chemical system would probably lead to damage on many US farms, internal documents seen by the Guardian show."

"The Trump administration, scrambling as deadlines approach, plans soon to release rules on fuel efficiency for new cars and trucks that have pitted the federal government against California on a policy key to combating climate change."

"State regulators are giving mixed responses to the EPA’s relaxed enforcement on a range of environmental obligations by facilities affected by the coronavirus pandemic."

"International cooperation on ozone-depleting chemicals is helping to return the southern jet stream to a normal state after decades of human-caused disruption, a study shows."

"The Environmental Protection Agency said Tuesday that it’s reviewing a request from the oil and gas industry to ease enforcement of hazardous air and water pollution and other regulatory issues during the coronavirus pandemic. The proposal is drawing objections from public health and environmental advocates."

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"The Minnesota Court of Appeals sent an air-emissions permit for the PolyMet copper-nickel mine back to state regulators for further review on Monday, giving another victory to environmental groups who oppose the project."