"The warming climate is melting sea ice, opening U.S. Arctic waters to shipping and oil and gas development, but the National Research Council warned today that U.S. personnel, equipment, transportation, communication, navigation, and safety resources are not adequate for an Arctic oil spill response."

"Hundreds of West Virginia residents who sought emergency-room care in January were treated for symptoms that were 'consistent' with exposure to MCHM, the primary chemical that leaked from the Freedom Industries tank farm into the region’s Elk River drinking-water supply, according to a review made public Wednesday."

"Miami Beach became ground zero for climate change Tuesday when U.S. Sen. Bill Nelson convened a rare field hearing to draw national attention to the dangers posed by rising seas."

"In response to a deadly train derailment last summer, the Canadian government Wednesday ordered the country’s railroads to phase out tens of thousands of older, puncture-prone tank cars from crude oil transportation within three years."

"A law that would make Vermont the first U.S. state to enact mandatory labeling of foods made with genetically modified organisms, or GMOs, received final approval from state lawmakers on Wednesday and now heads to the governor's desk."

"The Food and Drug Administration will for the first time regulate the booming market of electronic cigarettes, as well as cigars, pipe tobacco and hookahs, under a proposal to be released Thursday."

"After almost two decades of reports, hearings, failed proposals and political wrangling, federal regulators on Wednesday announced sweeping changes to protect coal miners from black lung disease."

"PALO ALTO, Calif. — The egg white drone lifted off from its ground station at a hospital construction site here, hovered for an instant, then zoomed off, sounding like a five-pound bee as it buzzed around the cranes towering over the six-acre project."