"FLINT, MI – Federal prosecutors are investigating Flint's water crisis, an official said."

"The government of Nunavut said it will be meeting with the federal government later this month to begin discussions on marine protected areas in the territory."

"California governor’s state-of-emergency declaration includes requirement that gas utility pay to fully mitigate the leak's emissions of methane."

"Citing German privacy laws, Volkswagen has refused to provide emails or other communications among its executives to attorneys general in the United States, impeding American investigations into the company’s emissions-cheating scandal, according to officials in several states."

"More than 16 months after Iraqi and Kurdish forces reclaimed Mosul Dam from Islamic State fighters, the structure faces a new threat: the danger that it may collapse because of insufficient maintenance, overwhelming major communities downstream with floodwaters."

"Coal production in the U.S. has dropped to its lowest level in 30 years thanks in part to low natural gas prices and climate policies encouraging utilities to switch to natural gas to generate electricity."

"The demise of a deal to end decades of feuding on the Klamath River could rekindle old battles over water use and dams in a remote corner of California."

"Alex Hummell says few dentists seem worried enough about invisible, odorless mercury to take the kinds of precautions needed to prevent everyday exposures."

"Droughts and heat waves wiped out nearly a tenth of the rice, wheat, corn and other cereal crops in countries hit by extreme weather disasters between 1964 and 2007, according to a new study."

"TransCanada’s lawsuit over Keystone XL is the tip of the iceberg: Protections in two new trade deals could undermine limits in the freshly minted Paris climate pact, as investors safeguard 'expected profits'".

"A powerful legal tool designed to protect foreign investors could undermine commitments made in Paris last month to rein in climate warming emissions.