"A coalition of 17 U.S. states filed a legal challenge on Wednesday against efforts by President Donald Trump's administration to roll back climate change regulations, deepening a political rift over his emerging energy policies."

"For years, cutting carbon emissions to stave off the worst impacts of climate change was routinely near the top of the agenda at talks between the leaders of the United States and China. Not anymore."

"Environmental Protection Agency officials are proposing to eliminate two programs focused on limiting children’s exposure to lead-based paint, which is known to cause damage to developing brains and nervous systems."

"Some big American coal companies have advised President Donald Trump's administration to break his promise to pull the United States out of the Paris Climate Agreement – arguing that the accord could provide their best forum for protecting their global interests."

"One in 10 pregnant women in the continental United States with a confirmed Zika infection had a baby with brain damage or other serious birth defects, according to the most comprehensive report to date on American pregnancies during the Zika crisis."

"In a 64-page agency budget document revealed by the Post Friday, a particularly deep cut is aimed at the agency’s 47-member Science Advisory Board, an august panel of outside advisers to the EPA created by Congress in 1978. The board, which is mostly comprised of academic scientists, reviews EPA research to ensure that environmental regulations have a sound foundation."

"New climate change evidence from recent government studies could affect the coming legal fight over President Trump’s revived permit for the Keystone XL pipeline."

"The Trump administration would virtually eliminate federal funding for the Environmental Protection Agency's budget for vehicle emissions and fuel economy testing but will seek to raise fees on industry to pay for some testing, a government document shows."

"A coalition of U.S. states has mounted a broad legal challenge against what it called the Trump administration's illegal suspension of rules to improve the energy efficiency of ceiling fans, portable air conditioners and other products."

"When President Donald Trump signed an executive order last week to sweep away Obama-era climate change regulations, he said it would end America's "war on coal", usher in a new era of energy production and put miners back to work. But the biggest consumers of U.S. coal - power generating companies - remain unconvinced."