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.
Wet rice cultivation is not without grave environmental costs. In fact, it comes with an enormous footprint.