Water companies must stop releasing untreated sewage and wastewater into rivers during periods of dry weather, an expert says.
Researchers say adding regional solar and wind resources to Ethiopia's hydropower is a solution that benefits Egypt and Sudan too.
One in five people around the world lack regular access to freshwater, which makes up just 3% of the world’s water sources. Most of the 1.5 billion or so people who need to go without freshwater, however, live in arid
The UK will invest £1.1 billion over 5 years to address sewer climate challenges. Nearly 800 projects are planned through 2025.
"We are already experiencing a “mass ageing” of water storage infrastructure," the UN warns.
Once, not that long ago, the Mekong River in Southeast Asia was a formidable waterway, but it has been largely tamed.