"The U.S. Environmental Protection Agency’s top Midwest official said her department knew as early as April about the lack of corrosion controls in Flint’s water supply — a situation that likely put residents at risk for lead contamination — but said her hands were tied in bringing the information to the public."

"Under pressure to devise a fix for its polluting diesel cars, the chief executive of Volkswagen, Matthias Müller, met for the first time with a senior government official in the United States to discuss the crisis that has engulfed the German carmaker since September."

"In barely three decades, a new study warns, Canada’s indigenous peoples will face a catastrophic loss in the fisheries that are the lifeblood of their communities and have helped sustain them for more than a millennium."

"President Barack Obama's State of the Union pledge to better manage fossil fuel development will face a test within days, when federal officials rule on whether to open public lands containing more than 600 million tons of coal to more mining."

"During the next week, the official climate agencies around the world that are responsible for tracking the planet's average temperatures will almost certainly come to the same conclusion: 2015 was the warmest year on record. This would mean that 2015 would beat the previous warmest year, which occurred in 2014 — remember that?"

"Michigan Gov. Rick Snyder late Tuesday activated the National Guard to help distribute bottled water and filters in Flint as it deals with a drinking water crisis that began months ago."

"The head of Europe's food safety watchdog has written to a group of nearly 100 senior scientists strongly rejecting their criticisms in a row about the safety of weed-killer ingredient glyphosate."

"The California Air Resources Board said on Tuesday it rejected Volkswagen AG's (VOWG_p.DE) plan to fix 2.0 liter diesel cars equipped with software that allows them to emit up to 40 times legally allowable pollution."

"Indonesian energy company Lapindo Brantas plans to resume drilling for gas near the site of a mud volcano, its CEO said, referring to a disaster that some scientists say it helped to create around 10 years ago."

"The persistent plunge in oil prices has translated into a new round of industry job cuts. The British oil giant BP said on Tuesday it would eliminate 4,000 of the approximately 24,000 positions in its exploration and production units this year."