Native American tribes and environmental groups have sued to stop a massive copper mine near Tucson. The $1.9 billion Rosemont Mine, at a half-mile deep and a mile wide, would sprawl across federal, state and private land, leaving a waste pile the height of skyscraper.

"Texas lawmakers appeared poised to pass a bill that will impose hefty prison sentences on protesters who damage pipelines and other "critical infrastructure."

"The U.S. government plans on replacing barriers through 100 miles (161 kilometers) of the southern border in California and Arizona, including through a national monument and a wildlife refuge, according to documents and environmental advocates."

"Republican Gov. Ron DeSantis has vetoed a bill that would have prevented Florida’s local governments from banning plastic straws."

The production of oil and natural gas in West Texas is booming but it’s coming at a cost to residents who are regularly exposed to unhealthy levels of air pollution, according to a report issued by an environmental group."

"After a long legal battle and a surprising loss in a lower court last year, green groups are celebrating their successful appeal of oil and gas drilling near New Mexico's sensitive Chaco Canyon area."

"State Land Commissioner Stephanie Garcia Richard has put a halt to new oil and gas leasing on some 73,000 acres of state trust land near the Chaco Culture National Historic Park in Northwest New Mexico, saying the move will help protect archaeological and cultural resources of the state’s pueblos and tribes."

"Facing what it saw as a threat to its monopoly from a surging rooftop solar industry, Arizona’s largest utility secretly funneled millions of dollars to back favored candidates for the state commission regulating it."