Adam Sobel : The short - term responses to Hurricane Katrina were successful . Forecasts were very accurate , Congress and EPA responded effectively , he says . Sobel says the one failure was that it has n't prompted sufficient concern about climate change . Rain-driven floods like those in Colorado a few weeks ago will also happen more often , as warmer air holds more water vapor . Because of storms , flooding will increase ; cities need to prepare now , Sobel says .
Adam Sobel : The short - term responses to Hurricane Katrina were successful . Forecasts were very accurate , Congress and EPA responded effectively , he says . Sobel says the one failure was that it has n't prompted sufficient concern about climate change . Because of storms , flooding will increase ; cities need to prepare now , Sobel says .