The North-Western Sahara Aquifer System (NWSAS) covers a total area of over one million km2: 700 000 km2 in Algeria, 80 000 km2 in Tunisia and 250 000 km2 in Libya.
The Global Water Partnership and the African Ministers Council on Water (AMCOW) launched a joint programme to support water and climate change adaptation in Africa.
Ghana lies along the Gulf of Guinea in West Africa. The country extends inland to about latitude 11° north covering a distance of 672 km from south to north.
Zimbabwe is a semi-arid country heavily reliant on regular rains. Like the rest of southern Africa, Zimbabwe is strongly influenced by fluctuations in rainfall.
With a surface area of 27,834 square km², Burundi is located between the 29° and 30°25 eastern meridians and between the 2°20 and 4°25 southern parallels. Burundi’s population is estimated at 8 million inhabitants.
Tunisia is located in North Africa, between longitudes 7° and 12° East and latitudes 32° and 38° North. It is at the junction of the West and East Mediterranean, and covers a 164.000 km2 surface.
The Volta River Basin is one of the largest river systems in Africa covering an area of approximately 400,000 km2. The river basin stretches from latitude 5o 30' N in Ghana to 14o 30' N in Mali.