National (U.S.)

"A celebratory signing on Tuesday of a memorandum of understanding between the Interior Department and Energy Department formally established the Manhattan Project National Historical Park, one that will span three states and recount a pivotal moment in world history."

"Arch Coal, the nation's second largest coal company, this week told the Securities and  Exchange Commission that it may join other coal companies in filing for bankruptcy. The company said it may have to seek Chapter 11 relief because of 'extremely challenging current market conditions.'  The company, which is burdened by $5 billion in debt, said it did not see an upturn in sight."

"House Natural Resources Chairman Rob Bishop has received praise and criticism from his Republican colleagues over his proposal to overhaul the Land and Water Conservation Fund, a sign of potential headwinds as the Utahan seeks to advance his bill."

"Dispersants used to encourage the oil's breakdown actually hindered microbes that were helping clean-up the huge slick, says new research."

"In an era where staunch opposition to raising taxes on anything is a defining principle of the Republican Party, the GOP gubernatorial nominee in Louisiana found one industry he believes doesn’t pay enough in taxes: solar energy."

"Chemicals in hair relaxers and other products can have dangerous side effects—especially for salon workers. But a number of groups are trying to change that."

"The League of Conservation Voters Action Fund’s endorsement of Hillary Rodham Clinton Monday has prompted a backlash from many of its members, who argue Sen. Bernie Sanders (I-Vt.) deserved the nod."

"SeaWorld Entertainment Inc announced plans on Monday to phase out the signature 'Shamu' killer whale show at its San Diego park next year, after long-running criticism of its treatment of the captive marine mammals."

"Lax enforcement, outdated rules and numerous substances — natural and manmade — threaten drinking water for hundreds of thousands of state residents".