For coastal cities like New York , the risks of climate change are especially serious : sea levels are expected to rise by another two and a half feet in the next 40 years , making storm surges even more powerful and dangerous . New York City Mayor Bloomberg is chairman of C40 Cities Climate Leadership Group . City leaders are taking action , not debating climate science , says Mayor . Hurricane Sandy emphasized construction of stronger infrastructure . New York is preparing for future disasters and cutting costs .
New York City Mayor Bloomberg is chairman of C40 Cities Climate Leadership Group . City leaders are taking action , not debating climate science , says Mayor . Hurricane Sandy emphasized construction of stronger infrastructure . New York is preparing for future disasters and cutting costs .