Aljazeera: Hurricane Katrina wreaks havoc on the Gulf Coast in 2005. Superstorm Sandy brings destruction to the East Coast in 2012. Heavy rains in the middle of the country lead to flooding in the rugged Rocky Mountains in 2013. Each crisis brings greater urgency to preparations for the next storm. Scientists disagree on whether climate change is causing these cataclysms, but agree that humans, whose carbon emissions have altered the environment, need to change their thinking and habits to reflect the new,...