COPENHAGEN – When “superstorm” Sandy hit the east coast of the United States on October 29, it not only flooded the New York City Subway and became the most important factor for 15% of US voters in the presidential election a week later. It also resurrected the unwarranted claim that global warming was to blame for such events, together with the morally irresponsible argument that we should help future hurricane victims by cutting CO2 emissions.