The Hot Zone

Arctic’s carbon reserves in danger

About 50 percent of the world’s organic carbon stored in the soil is locked down in the frigid northern reaches of the Arctic, below an icy permafrost cap and in rich peat lands. If all that carbon were released, atmospheric CO2 concentrations could go up a whopping 660-870 parts per million. Global warming is gradually unlocking these Arctic carbon reserves. In a paper published recently in the Journal of Geophysical Research, University of Alaska, Fairbanks geophysicist Guido Grosse and colleagues... [Read more]

Posted by Alison Hawkes on September 8, 2011 No Comments »
Category : Climate Science and Scientists

What a degree means

Climate change scenarios are usually summed up in terms of expected change by a certain year. Like sea levels will rise by x amount by 2020 and y amount by 2050. Or by parts per million of CO2 in the atmosphere. But because no one really knows what kind of carbon dioxide increases we’re facing (that having to do with the CO2 cutting regimen we choose), the whole forecasting effort becomes very ambiguous. That’s led some to throw their hands up on achieving greenhouse gas reductions in... [Read more]

Posted by Alison Hawkes on July 23, 2010 No Comments »
Category : The man made climate


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