In essence, the boffins discovered a mechanism which allows chemicals emitted by pine trees - like those found in the vasty boreal forests of the northern hemisphere - to oxidise, grow, and accumulate themselves into airborne aerosols particles big enough to affect the climate much more readily than chemists had previously believed they could. Warming the world would cause pine forests to emit more of the chemicals in question, and so lead to more aerosols, which would then cause more clouds to form and more of the suns heat to be knocked back into space. This powerful negative feedback is not included in todays climate models, so they are predicting a warmer future than can be expected in reality.
Posted on: Fri, 07 Mar 2014 04:45:24 +0000
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