"The World Health Organization says it expects the Zika virus to spread to every country in the Western Hemisphere except Canada."

"Ticks that can spread Lyme disease now live in almost half of U.S. counties, according to a new study from the Centers for Disease Control and Prevention."

"The Supreme Court on Monday ruled that federal regulators may encourage electricity users like schools, hospitals and shopping centers to reduce consumption at peak times in exchange for price breaks. The regulatory approach, known as “demand response,” lowers costs for consumers and lessens the risk of system failures that can cause blackouts."

"More than 400 facilities holding huge storehouses of natural gas get little regulatory oversight as their infrastructure ages."

"Plummeting coal prices have pushed almost half the debt issued by U.S. coal companies into default, and for miners and their investors there’s no end in sight."

"The Obama administration on Friday proposed a new rule aimed at curbing emissions of planet-warming methane from oil and gas drilling on public land. It would force companies to use equipment to capture leaked gas and raise the costs they pay for extracting fuel on government property."

"In a big victory for the Obama administration, a U.S. federal court on Thursday rejected a bid by 27 states to block its Clean Power Plan, the centerpiece of its strategy to combat climate change by reducing carbon emissions from power plants."

"Long before a natural gas storage well sprung a disastrous leak near Los Angeles, California, utilities and national industry groups were raising alarms about the danger of aging underground storage infrastructure."

"A massive winter storm was barreling toward Washington D.C. on Friday, with the system poised to drop near-record snowfall on the U.S. capital before walloping New York and other East Coast cities with blizzard conditions."

"Travel warnings about the Zika virus, especially for pregnant women, are very much in the news now, but the germ was discovered more than a half century ago, and you may have already visited places where it flourishes."