Keep in mind that even the darkest blue areas indicate 1 or 2°C warming. The dark red is 15°C of warming. I really love Google Earth layers as a communication tool, and here’s a great new one, albeit on a grim subject. In the wake of the Met Office’s forecast that if we don’t cut emissions sharply by 2020, 4°C global temperature rise is likely (with … Read the full story on TreeHugger

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How Hot, Wet & Dry Will a 4°C World Become? This Google Earth Layer Shows You