"De-icing road salts — even those marketed as environmentally friendly — may harm important freshwater plankton, a new analysis indicates. The study, published in Science of the Total Environment, suggests that some species of zooplankton — a critical food source for freshwater fish — don’t adapt to pollution from road salts from generation to generation."

"As global temperatures rise due to climate change, mosquito season has lengthened across much of the contiguous United States, a development that scientists warn could heighten the risk of outbreaks of diseases such as dengue and malaria, and the spread of West Nile and Zika viruses."

"The prayer journey will pass through other tribal communities threatened by resource extraction while trying to stop a mine that claims it could satisfy a quarter of the U.S. demand for copper."

"A small tribal community along the Colorado River could become a major player in the state’s water supply."

"Last year was already one for the climate record books, but a new report from the American Meteorological Society is adding to that already substantial list."

"The Environmental Protection Agency (EPA) has determined that breathing in formaldehyde, a chemical that’s used in building materials and hair straighteners, can cause cancer."

"A Washington, D.C., judge ruled this week that the Environmental Protection Agency must disclose more information than it currently does about chemicals pending review under the Toxic Substances Control Act."

"A U.S. judge at the urging of environmental groups has thrown out an assessment by a federal agency governing how endangered and threatened marine species should be protected from oil and gas drilling in the Gulf of Mexico."

"Extreme weather alerts for dangerous heat, wildfires, storms, flooding and other hazards have affected nearly everyone in the United States over the past few months."