The Zanzibar leopard (Panthera pardus adersi) is (was) a little-known subspecies endemic to Unguja island. Rapid population growth and the expansion of farming in the twentieth century destroyed leopard habitat and decimated their natural prey, bringing them into increasing conflict with people. Villagers explained the growing number of attacks on their children an...

Water is one of the world's most contested resources, and Africa's river basins are no exception. In December 1993 the Great Ruaha River upstream of Tanzania's Mtera Dam stopped flowing for the first time in living memory. This became a matter of national concern in 1995 when electricity shortages and rationing in Dar es Salaam were blamed by the national power sup...