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Hints of Climate Change in California’s Drought

Hints of Climate Change in California’s Drought

The pressure that’s on drought-hit Californians to conserve dwindling water supplies is largely the result of a stubborn ridge of high pressure that has been parking itself off their coastline. That ridge has blocked water-laden winter storms, sending them spiraling northward instead of into the Golden State, reducing snowpacks that Californians us… Read More

Study: Climate Not a Factor in Epic Colorado Floods

Study: Climate Not a Factor in Epic Colorado Floods

Climate change may have had nothing whatsoever to do with the extreme rainfall that caused Colorado's epic 2013 floods, and global warming could reduce the likelihood that they’ll happen again, according to a new study, which is disputed by one of the nation’s most prominent climatologists. … Read More

Science Shows How Climate Change is Baking Australia

Science Shows How Climate Change is Baking Australia

As smoke billows from unnervingly early-season wildfires charring the Australian state of Tasmania, yet more dust is settling on the scientific discussion over how climate change contributed to last year’s deadly Australian heat. Last year was Australia’s hottest on record. And each of a set of five research papers published Monday in a special ed… Read More

Drought Takes Hold as Amazon’s ‘Flying Rivers’ Dry Up

Drought Takes Hold as Amazon’s ‘Flying Rivers’ Dry Up

The unprecedented drought now affecting São Paulo, South America’s giant metropolis, is believed to be caused by the absence of the “flying rivers” − the vapor clouds from the Amazon that normally bring rain to the center and south of Brazil. Some Brazilian scientists say the absence of rain that has dried up rivers and reservoirs in central and so… Read More

Study: Natural Gas Reliance Impediment to Renewables

Study: Natural Gas Reliance Impediment to Renewables

A new study suggests that the country’s push toward natural gas is not only a distraction from “decarbonizing” the U.S. and expanding renewable energy sources, it could also make climate change worse. … Read More

Obama at Summit: ‘We Have to Answer the Climate Call’

Obama at Summit: ‘We Have to Answer the Climate Call’

Desperate warnings from world leaders and celebrities about the consequences of unmitigated climate change filled the General Assembly Hall at U.N. Headquarters in New York on Tuesday morning, as a daylong climate summit began. "Climate change is the defining issue of our age,” U.N. Secretary General Ban Ki-moon said in his opening remarks. “Our r… Read More

Pacific Northwest Warming May Have Natural Roots

Pacific Northwest Warming May Have Natural Roots

Dan Nichols was hauling in a gillnet laden with the fruits of a late-season Alaskan salmon run when something heavy flopped out of it, then slid to the front of his boat. “I knew what the tail was,” he says. Surprised, the mustachioed fishing veteran stopped picking salmon from his net and approached the itinerant creature. “I had to stop what I wa… Read More

Three Decades Until Carbon Budget Is Eaten Through

Three Decades Until Carbon Budget Is Eaten Through

If the planet’s carbon budget, which is the amount of fuel we can burn, concrete we can produce and forest we can fell without blowing global warming goals, was a giant cake, then we’d all be running out of dessert — fast. We’ve been eating into the carbon budget since the Industrial Revolution. Just nibbling at first, but now with recor… Read More