Yale Environment 360: Extreme weather events driven by climate change will exacerbate poverty in regions where people are already among the world's poorest, according to a study by the U.K.'s Overseas Development Institute. Where disasters such as drought are common, those events are the leading cause of poverty, the authors say, rather than poor health or societal factors. Across the globe, up to 325 million people will be living in countries that face natural hazard risks by 2030, the report says; in sub-Saharan Africa...