In recent weeks, catastrophic floods overwhelmed towns in Germany, Belgium and the Netherlands, inundated subway tunnels in China, swept through northwestern Africa and triggered deadly landslides in India and Japan. Heat and drought fanned wildfires in the North American West and Siberia, contributed to water shortages in Iran, and worsened famines in Ethiopia, Somalia and Kenya. Extremes like these are increasingly caused or worsened by human activities heating […]… Learn more.