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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

UN Data on Population Growth is Bad News for Climate

UN Data on Population Growth is Bad News for Climate

The demographers may have got it wrong. New projections say the population of the planet will not stabilize at 9 billion sometime this century. In fact, there is an 80 percent likelihood that, by 2100, it will reach at least 9.6 billion − and maybe rise as high as 12.3 billion. The latest data, published in the U.S. journal Science, has profound an… Read More

Report: Prevent Climate Effects by Fixing World Economy

Report: Prevent Climate Effects by Fixing World Economy

The world can still act in time to stave off the worst effects of climate change, and enjoy the fruits of continued economic growth as long as the global economy can be transformed within the next 15 years, a group of the world's leading economists and political leaders will argue on Tuesday. Tackling climate change can be a boon to prosperity, ra… Read More

Brian Kahn Explains the Developing El Nino

Brian Kahn Explains the Developing El Nino

There's been an El Niño Watch in place since March but the climate phenomenon has yet to fully arrive on the scene. But the great wait for elusive climate phenomenon — which can alter weather patterns around the world — might finally be coming to an end as the atmosphere and ocean are finally starting to line up. … Read More

2014 on Track to be Hottest Year on Record

2014 on Track to be Hottest Year on Record

Just days after NASA data showed that August 2014 was the warmest August on record, the National Oceanic and Atmospheric Administration confirmed the ranking and raised the ante: There’s a good chance 2014 could become the warmest year on record. “If we continue a consistent departure from average for the rest of 2014, we will edge out 2010 as… Read More

The $90 Trillion Climate-Stabilizing Cookbook

The $90 Trillion Climate-Stabilizing Cookbook

We’re baking the world; on track to raise global temperatures by more than 7°F by burning fuels, raising livestock, bulldozing forests, and allowing cities to sprawl as they grow. Pulling the planet out of the costly slow-cooker of old-fashioned traditions in time to avoid the worst of global warming might not be easy. But doing so would make the w… Read More