Associated Press: The rampant growth of urban slums around the world and weather extremes linked to climate change have sharply increased the risks from “megadisasters” such as devastating floods and cyclones, a U.N. report said Sunday. The study — which examines natural disaster trends and strategies to reduce potential catastrophes — also noted that millions of people in rural areas are at higher risk from disasters such as landslides where forests have been stripped away or crippling droughts …