The frequency and duration of droughts will continue to increase due to human-caused climate change, with water scarcity already affecting billions of people across the world, the United Nations warned in a report Wednesday.
The U.N. desertification agency, which is currently hosting a conference of parties in Abidjan in Ivory Coast, estimates that roughly one third of the world's population — 2.3 billion people — is already facing water scarcity, with that number expected to double by 2050.
