study reports global warming due more to land use changes than to direct CO2 emissions

A new study from Georgia Tech in the December issue of the Environmental Science and Technology journal reports that

“50 percent of the warming that has occurred since 1950 is due to land use changes (usually in the form of clearing forest for crops or cities) rather than to the emission of greenhouse gases,”

and that

“emissions reduction programs – like the cap and trade program under consideration by the U.S. Congress – may not sufficiently slow climate change in large cities where most people live and where land use change is the dominant driver of warming.”

On the other hand this does suggests some correlation with fossil fueled vehicles operative upon cleared concrete settings.

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