Ethiopia’s mega dam has taken 14 years to build: what it means for the Nile’s 11 river states and why it’s so controversialJohn Mukum Mbaku
Growing more plants and trees can cut down the heat in Nigerian citiesOlumuyiwa Adegun and Tobi Eniolu Morakinyo 21 Aug 2017
Matla a Metsi Joint Venture to supervise design and construction of Polihali Dam in Lesotho Highlands Water Project 13 Jul 2017