Climate change may be ` ` serious obstacle '' to sustainable development in key cities , they report . The climate change vulnerability index is published by the analysis firm Maplecroft . Nearly a third of the world 's GDP will come from highly or extremely vulnerable places . China was the most vulnerable country and its capital the most vulnerable city .
Climate change may be `` serious obstacle '' to sustainable growth in key cities , says report . The climate change vulnerability index is published by risk analysis firm Maplecroft . Nearly a third of the world 's economy will come from highly or extremely vulnerable places . Bangladesh was the most vulnerable country and its capital the most vulnerable city .