International

"Are We Heading Toward Peak Fertilizer?"

"You've heard of peak oil—the idea that the globe's easy-to-get-to petroleum reserves are largely cashed, and most of what's left is the hard stuff, buried in deep-sea deposits or tar sands. But what about peak phosphorus and potassium? ...These nutrients, which are essential for plants to grow, are extracted from soil every time we harvest crops, and have to be replaced if farmland is to remain productive."

Source: Mother Jones, 12/03/2012

Climate Talks Must Consider Impact of Melting Permafrost: Scientists

"WASHINGTON -- Scientists who study the Arctic say they’re worried that nations meeting this week to set targets for reducing greenhouse gas emissions aren’t adequately considering how much carbon dioxide and methane could be released from the world’s rapidly thawing permafrost."

Source: McClatchy, 11/28/2012

"Sea Level Rise Accelerating Faster than Initial Projections"

"Sea level is rising as the planet warms up, but how much it will rise, and how fast is still something climate scientists are working out. And according to study released late Tuesday in Environmental Research Letters the ocean is already rising faster than the most recent authoritative report from the U.N. Intergovernmental Panel on Climate Change (IPCC) was projecting as recently as 2007."

Source: Climate Central, 11/28/2012

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