"A panel of federal judges last night tossed a lower court ruling that had frozen progress on the Keystone XL pipeline, giving a green light for construction to begin on the embattled project."

"Environmental Protection Agency is battling its own board of science advisers over its controversial plan to dismiss certain types of scientific research from consideration when issuing rules."

"Polluters have long exaggerated the cost of new regulations and downplayed their benefits. Now, the Trump administration is turning that approach into policy as it seeks to slash regulations governing power plant emissions and weaken other environmental laws."

"EPA says it can issue federal permits for projects, including pipelines, regardless of whether states raise questions about impacts to climate change or air pollution."

"A last-minute push by automakers appears unlikely to sway the Trump administration from abandoning President Barack Obama’s signature climate policy to improve mileage standards for cars and light trucks, two government officials said Friday."

"Overuse of antibiotics in livestock has given rise to drug-resistant germs. Drugmakers say they want to be part of the solution. But a recent campaign urged farmers to administer the drugs to healthy animals daily."

"Despite years of devastating flooding and hurricanes, the number of Americans with flood insurance remains well below its level a decade ago, undermining the nation’s ability to cope with disasters just as climate change makes them more frequent and severe."

"White House officials barred a State Department intelligence agency from submitting written testimony this week to the House Intelligence Committee warning that human-caused climate change is “possibly catastrophic.” The move came after State officials refused to excise the document’s references to federal scientific findings on climate change."

"Nicholas Sloane doesn’t mind discomfort. The 56-year-old South African marine-salvage master has survived two helicopter crashes and spent thousands of hours aboard ships that are burning, sinking, breaking apart, or leaking oil, chemicals, or cargo into the ocean. Often, he gets calls in the middle of the night asking him to pack his bags and fly immediately to a disaster zone across the world, anywhere from Yemen to Papua New Guinea. Twice, he’s fought off armed pirates using water cannons, sound cannons, and strobe lights."

"Investigators have found that former interior secretary Ryan Zinke violated federal law by tweeting out a picture of himself wearing socks adorned with the campaign slogan “Make America Great Again!”"