New research shows that by 2050 an additional one billion people will live in areas with high levels of water stress. See where water is scarcest in the world — and why we need to conserve.
Rising temperatures and population growth will strain global freshwater resources over the next 30 years. By 2050, a billion more people will live in arid areas with high water stress. Climate change and demand from agriculture, industry, and population growth exacerbate the problem. Solutions include efficient irrigation, pricing water accurately, and changing food habits.