"The Trump administration has rescheduled a meeting of senior advisers to hash out internal divisions over the Paris climate change agreement for Thursday, two administration officials told POLITICO."

"California generates an average of 1.7 million tons of hazardous waste each year. That ranges from industrial pollution to discarded household products. It includes liquids, solid, or gases that science has determined pose a threat to human or other life."

"As the White House pushes Congress to fund President Trump's U.S.-Mexico border wall, a new wrinkle has emerged that could stymie parts of the massive project. Mexican engineers believe construction of the border barrier may violate a 47-year-old treaty governing the shared waters of the Rio Grande. If Mexico protests, the fate of the wall could end up in an international court."

"Scientists and data experts are closely tracking the websites of federal agencies, noting changes to pages dealing with climate change and energy since President Donald Trump took office. On Monday, they noticed an alarming message posted to the Environmental Protection Agency's (EPA) open data website, indicating it would shut down on Friday, April 28."

"President Trump will sign an executive order Wednesday instructing the Interior Department to review national monument designations his three predecessors have made over the past 21 years, according to administration officials and GOP lawmakers, a move that could upend protections that previous presidents have put in place in Utah and elsewhere across the country."

"Federal officials have concluded that infrastructure for a proposed hydropower project — which would tap billions of gallons of groundwater in the California desert, just outside Joshua Tree National Park — wouldn't be especially harmful to the environment."

"U.S. President Donald Trump this week will sign new executive orders before he completes his first 100 days in office, including two on energy and the environment, which would make it easier for the United States to develop energy on and offshore, a White House official said on Sunday."