National (U.S.)

"As heat waves become more frequent and intense, researchers and activists say the lack of precise data is leading to needless fatalities."

"Conflicting federal policies may force thousands of residents in flood-prone areas to pay more for flood insurance or be left unaware of danger posed by dams built upstream from their homes and worksites, according to an Associated Press review of federal records and data."

"Dual hurricane threats are zeroing in on Hawaii, a rare combination that could bring impactful rain and winds to the islands twice within a week."

"The U.S. District Court for the Western District of Louisiana ruled on Wednesday that the Environmental Protection Agency is barred from using the federal civil rights law to prevent Louisiana from granting permits for numerous polluting facilities in minority and low-income communities."

"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."