"A worsening financial crisis for the nation’s biggest coal companies is sparking concerns that U.S. taxpayers could be stuck with hundreds of millions, if not billions, of dollars in cleanup costs across a landscape of shuttered mines stretching from Appalachia to the northern Plains."

"After several years of study, the U.S. Food and Drug Administration today advised parents to stop feeding their infants so much rice cereal, warning that the latest research now suggests that arsenic concentrations in the grain can interfere with cognitive development."

"Federal biologists on Thursday confirmed the presence of a lethal fungus known as white-nose syndrome in Washington, the first occurrence in western North America of the disease that has killed roughly 7 million bats."

"U.S. health regulators are facing a lawsuit from a coalition of environmental organizations seeking to overturn the government's landmark approval of a type of genetically engineered salmon to be farmed for human consumption."

"President Obama and President Xi Jinping of China said Thursday that they would sign the Paris Agreement on climate change on April 22, the first day the United Nations accord will be open for government signatures."

"Americans trying to kick their soda habit are succeeding, with soda consumption in the U.S. at its lowest level in 30 years, according to a new report."

"The Obama administration on Wednesday announced a new partnership with 41 energy companies that have agreed to voluntarily reduce methane emissions from natural gas operations to help combat climate change."

"Donald Trump and Ted Cruz oppose a carbon tax, putting them in league with the Republican National Committee on the issue but at odds with some oil companies and economists who view a levy on those heat-trapping emissions as an effective way to combat climate change."

"A new report from six health and environmental groups finds 67 percent of nearly 200 food cans from dozens of brands and retailers tested positive for Bisphenol A, a hormone-disrupting chemical linked to increased risk of breast and prostate cancers, infertility and type-2 diabetes."

"The U.S. Supreme Court on Wednesday appeared likely to rule that property owners can challenge the federal government in court over the need for permits under a national water protection law in a case involving a company's plans for a Minnesota peat mine."