Heavy rains have overwhelmed local systems, Justin Sheffield, a hydrologist at the University of Southampton, U.K., who ...

Its basin covers parts of Nigeria, Niger, Chad and Cameroon ... to purchase the only reliable maps of Africa, which were made by the US Air Force and were the only maps with contour lines ...

And when perpetrated across national boundaries by actors such as Boko Haram, it demonstrates the terror-crime nexus in the Lake Chad Basin. A recent assessment carried out by ENACT and the ...