"Next month, a Silicon Valley engineer plans to head out on a snowmobile from Barrow, on the northern tip of Alaska, to sprinkle reflective sand on a frozen lake to try to stop it from melting."

"Hackers increasingly threaten sites in the U.S. ranging from nuclear power plants to water processing systems, according to a member of the Federal Energy Regulatory Commission, adding his voice to warnings from several agencies and officials in recent weeks."

"The EPA will have a hard time meeting a congressional mandate to boost oversight of toxic chemicals stored near water supplies, several people who work in water policy told Bloomberg Environment."

"Our nation’s founders decided to build their new capital city on a square of land at the confluence of two rivers — the Potomac and the Anacostia. In the years since, the Potomac has been acclaimed as “the Nation’s River.” The Anacostia, however, has been known by less illustrious nicknames: “the forgotten river,” or simply “one of the most polluted rivers in the United States.”"

"A new study says that even in the ‘unrealistic’ event of a total halt to the flow of agricultural chemicals the damage will persist for 30 years".

"The United States asked China on Friday not to implement a ban on imports of scrap materials, after the world’s top scrap buyer abruptly shut the door to many types of waste, throwing the global recycling industry into turmoil."

"The U.S. Environmental Protection Administration plans to declare by April 1 that the Obama administration’s vehicle efficiency rules through 2025 are “not appropriate,” two officials briefed on the matter said Friday."

"A proposed budget [now enacted] to keep the federal government running through the rest of the fiscal year, which wraps up at the end of September, would bring millions of dollars to the National Park Service if approved by Congress."

"Seven Democratic states on Friday threatened to sue the Trump administration for its delay in enforcing an Obama administration rule on air pollution from landfills."

"The past three years were the hottest on record and heat waves in Australia, freak Arctic warmth and water shortages in Cape Town are extending harmful weather extremes in 2018, the United Nations said on Thursday."