"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 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."

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

"A panel of U.S. Environmental Protection Agency science advisers is strongly criticizing last year’s much-cited EPA report that agency officials had tried to tout as finding that the nation’s natural gas drilling and production boom had not led to “widespread, systematic” impacts on drinking water supplies."

"Rob Bilott was a corporate defense attorney for eight years. Then he took on an environmental suit that would upend his entire career — and expose a brazen, decades-long history of chemical pollution."

"Monsanto Co said a souring farm economy and currency woes will push its 2016 earnings to the lower end of expectations, while a cost-cutting drive will lead the world's largest seed company to slash more jobs."

"FDA banned three toxic food packaging chemicals and is considering banning seven cancer-causing food flavoring chemicals, but food safety advocates say the process highlights flaws in the system."

"Gov. Jerry Brown on Wednesday ordered new regulations, including stepped-up inspections and safety measures, for all natural gas storage facilities in California in response to the continuing leak that has displaced thousands of people in the Porter Ranch neighborhood of Los Angeles."

"Tropical diseases — some of them never before seen in the United States — are marching northward as climate change lets mosquitoes and ticks expand their ranges."