Minnesota’s environmental agency met all legal requirements when proposing rules to adopt California vehicle emissions standards and therefore the standards should be adopted, a judge announced Friday.

California energy regulators plan to update building codes to favor electric appliances but stopped short of an approach that will shun natural gas connections.

Tesla, Inc. reached a $1 million agreement with California regulators Friday over more than 30 air quality violations levied against one of its manufacturing plants.

A Yellowstone National Park bison management plan shouldn’t have remained in place pending the government’s review, and the case should be reassigned due to the judge’s “biased comments,” an environmental group told the Ninth Circuit on Friday.

Consulting giant KPMG will face class action allegations from Miller Energy Resources Inc. investors who say audit failures let the oil and gas company overstate some asset values.

The EPA on Friday rejected environmental groups’ request by environmental groups to regulate certain fertilizer production wastes and gather information about the materials’ potential harm to people or the environment.

The federal government can continue with its plan to regulate water in Oregon and California that may harm protected fish, an Oregon federal court said in denying the Klamath Tribes’ request to limit water flows pending their lawsuit.

The Biden administration is withdrawing a Trump-era proposal to relax standards governing oil exploration in Arctic waters off the Alaska coast.

Alaska can intervene to defend the federal government’s approval of a ConocoPhillips Alaska Inc. oil and gas development project in the state, a federal court ruled.

An aluminum die company must pay $4.4 million to clean up a New Jersey site it used for nearly half a decade, a federal district court said.