Today, more than 700 million people around the world drink water from unsafe or untreated sources, such as wells, springs and surface water.
About half of these people live in sub-Saharan Africa. In fact, in more than 30 African countries, fewer than 20% of the people have access to safe drinking water.
Climate change is likely to worsen the situation by making water less available in some locations and by changing the amounts and timing when water is available. Read more