"MONACA, Pa. — President Donald Trump sought to take credit Tuesday for a major manufacturing complex in western Pennsylvania in his latest effort to reinvigorate the Rust Belt support that sent him to the White House. He was cheered on by fluorescent-vest-clad workers who were paid to attend by Shell, their employer, which is building the facility."

"LAKE HOPATCONG, N.J. — Before climate change thawed the winters of New Jersey, this lake hosted boisterous wintertime carnivals. As many as 15,000 skaters took part, and automobile owners would drive onto the thick ice."

"A coalition of 29 states and cities on Tuesday sued to block the Trump administration from easing restrictions on coal-burning power plants. The move could ultimately limit how much leverage future administrations would have to fight climate change by restricting a major source of Earth-warming pollution."

The 386-acre property looks like a giant Lego set rising from the banks of the Ohio River. It is one of the largest active construction projects in the United States, employing more than 5,000 people. When completed, the facility will be fed by pipelines stretching hundreds of miles across Appalachia. It will have its own rail system with 3,300 freight cars. And it will produce more than a million tons each year of something that many people argue the world needs less of: plastic."

"Two prominent environmental groups sued the Trump administration Monday, arguing it is breaking the law by cutting penalties for automakers that do not meet Obama-era fuel efficiency standards."

"The Trump administration says it won’t approve warning labels for products that contain glyphosate, a move aimed at California as it fights one of the world’s largest agriculture companies about the potentially cancer-causing chemical."

"The top U.S. auto safety official, a key player in efforts by President Donald Trump’s administration to rollback the nation’s vehicle fuel efficiency requirements, will step down at the end of the month, the Transportation Department announced on Monday."

"California and Massachusetts say they’ll go to court to fight the Trump administration’s overhaul of the Endangered Species Act."

"The Trump administration took its final step Monday to weaken the Endangered Species Act, a bedrock law that brought the bald eagle, the American alligator, the California condor, the humpback whale and the grizzly bear back from the brink of extinction."

"Driven by a tech-industry vision of rural economic revival, Wyoming is requiring all of its K-12 public schools to offer computer science."