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"Extreme weather has thinned the nation's cattle herds, roiling the beef supply chain from rancher to restaurant."

"Passage Key became one of the first national wildlife refuges in 1905, boasting 30 acres of mangroves and an inland freshwater lake. Today, it sits under the water in Tampa Bay, only emerging at low tide as a small sandbar that is popular with seabirds -- and occasional trespassing nudists."

"WHEELING - Breathing only a tiny amount of silica dust per day - enough, roughly, to cover Franklin Delano Roosevelt's nose on a dime - can put a worker at risk for myriad health problems, according to Michael Breitenstein of the National Institute for Occupational Safety and Health."

"The Obama administration released a comprehensive strategy document Wednesday aimed at reducing wildfires, which it says are being exacerbated by climate change."

"Responding to a series of fiery train derailments, federal regulators said Wednesday they will propose that trains transporting crude oil have at least two-man crews and requirements aimed at preventing parked train cars from coming loose and causing an accident like one in July that killed 47 people."

"Study finds air emissions from biomass facilities could be dramatically improved if so-called loopholes are closed in power plant regulations."

"Whether or not fracking causes groundwater pollution, people fear the risk enough that property values have dropped for homes with drinking-water wells near shale-gas pads, according to new research."

"Tourists and coastal residents were evacuating parts of the Great Barrier Reef on Thursday as a powerful cyclone intensified in the Coral Sea and made its way towards Australia's northeast."

"The chances have increased over the past month that the much-feared El Nino phenomenon, which has the potential to wreak havoc on global crops, would strike by summer in the Northern Hemisphere, the federal U.S. weather forecaster said Thursday."

"As temperatures continue to rise and habitats come under threat, a group of Hollywood heavyweights is seeking to bring the spotlight back on climate change with a new documentary."