National (U.S.)

"Wander into a vape shop in the mall or online, and you can find a smorgasbord of flavors: cotton candy, vanilla custard, even Unicorn Milk or Katy Perry’s Cherry."

"ANCHORAGE -- President Barack Obama on Tuesday will propose a faster timetable for buying a new heavy icebreaker for the U.S. Arctic, where quickly melting sea ice has spurred more maritime traffic, and the United States has fallen far behind Russian resources."

"ANCHORAGE — President Obama on Monday issued a global call for urgent action to address climate change, declaring that the United States was partly to blame for what he called the defining challenge of the century and would rally the world to counter it."

"A survey commissioned by an environmental group found that 6 in 10 voters support President Obama’s landmark climate rule for power plants."

"The legal and practical morass surrounding the Obama administration's controversial water rule became more muddied [Thursday] when a federal judge blocked its implementation in 13 states just hours before it was set to go into effect."

"President Obama will travel to Alaska on Monday to call for urgent and aggressive action to tackle climate change, capitalizing on a poignant tableau of melting glaciers, crumbling permafrost and rising sea levels to illustrate the immediacy of an issue he hopes to make a central element of his legacy."

"The Lacey Act, a 115-year-old law that seeks to protect threatened species, is still going strong."

The story of how a DuPont chemical called C8, or PFOA, harmed the health of people around Parkersburg, WV, is an epic one that resulted in a huge class-action settlement. "DuPont deceived as many people as they could deceive as for as long as they could," one resident said. Under the current regulatory system, the same thing could happen again.

"Long-term exposure to tiny amounts of Roundup—thousands of times lower than what is permitted in U.S. drinking water—may lead to serious problems in the liver and kidneys, according to a new study."

"U.S. officials responsible for the Aug. 5 spill of toxic mine waste in southwestern Colorado had no plan in place for dealing with a catastrophic breach of the kind that fouled a long stretch of the state’s Animas River, an internal inquiry has concluded."