Mother Nature Network: If this image (above) doesn't scare you about effects of global warming, you must have icewater in your veins. Yes, that's the North Pole. It's now a lake. The photo is part of a time lapse recently released by the North Pole Environmental Observatory, a research group funded by the National Science Foundation that has been monitoring the state of Arctic sea ice since 2000. The shallow lake began forming on July 13th after an especially warm month, which saw temperatures rise 1-3 degrees Celsius...