Australia's expert, scientist-based Climate Commission has linked Hurricane Sandy to man-made climate change citing facts such as (1) hurricane source surface water 3-5 degrees Centigrade warmer, (2) sea level 20 cm higher , (3) 7% more moisture for every 1 degree Centigrade temperature rise (plus 0.8 degree Centigrade world-wide) , (4) high intensity storms correlate with increased temperature. Their report concludes that "Hurricane Sandy provides several insights into how climate change is altering the nature of the risks we face now and will face in the future. Extreme events are happening in a warmer, wetter atmosphere over warmer ocean surface waters. This influences their nature, their intensity, and their impact. The expected trend towards more intense tropical cyclones and heavier rainfall events will expose the vulnerability of existing infrastructure, much of which has not been designed for the overheated climate we are increasingly experiencing. Communities and ecosystems will be profoundly impacted by these trends, to which they are currently not well adapted and often ill-prepared. "
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