"The Nuclear Regulatory Commission is taking steps to review the planned revival of the long-dormant nuclear waste dump at Nevada’s Yucca Mountain."

"A federal court [Tuesday] ruled that U.S. EPA cannot require companies to replace potent heat-trapping chemicals with other substances, dealing a blow to part of the Obama administration's climate change legacy."

"The U.S. Department of the Interior said on Monday it has rescinded an Obama-era rule that reformed how energy companies value sales of oil, gas and coal extracted from federal and tribal land to protect taxpayers because it caused 'confusion and uncertainty' for energy companies."

"Days after the Environmental Protection Agency pledged to reconsider damage claims it previously rejected after a mine spill, the agency said Monday it could not review multimillion-dollar requests from the state of New Mexico and the Navajo Nation because both have sued the agency."

"The U.S. Interior Department on Monday launched an overhaul to an Obama-era plan to protect sage grouse that it says aims to both preserve the species of bird while expanding opportunities for oil development in western states where they live."

"President Donald Trump arrived in office having promised a bold $1 trillion infrastructure investment plan over 10 years for roads, bridges, airports and transit systems crumbling by the day across the United States. But nearly seven months later the administration has produced few details on the future of federal infrastructure funding, one reason why state and municipal governments have issued fewer bonds to improve roads, water systems and other projects so far in 2017."

"Nebraska regulators will hear final arguments for and against TransCanada Corp’s proposed Keystone XL pipeline this week before deciding whether to approve its route later this year, the last big hurdle for the long-delayed project after President Donald Trump gave it federal approval."

"The White House formally notified the United Nations on Friday that it intends to abandon the Paris agreement on climate change but remains open to 're-engaging' on the accord."

"EPA staffers are spending their days addressing an industry wish list of changes to environmental law, according to Elizabeth Southerland, a former senior agency official who issued a scathing public farewell message when she ended her 30-year career there on Monday."

"Discharges of sewage, trash, and toxic sludge from Mexico have one California border city threatening to sue a binational agency charged with managing water pollution along the U.S.-Mexico border."