South Africa is unleashing weevils imported from the United States in a bid to fight off the sprouting growth of Salvinia ...

The U.N. has identified Kabwe, a city of almost 300,000 people in Zambia, as one of the most polluted places on the planet.

Researchers propose a framework for equitable sharing of the Nile's water and hydropower resources during extended drought periods. A new study proposes a science-based policy for operating the Nile ...