Africa, a continent of immense diversity, history and rapid urbanization, is home to some of the fastest-growing cities in the world. Its largest urban centers are economic and cultural powerhouses, ...

Caterpillar, the world’s leading manufacturer of construction and mining equipment, diesel and natural gas engines, ...

Africa's tectonic plates have collided to form large mountains and pulled apart to create vast basins; they now appear to be splitting the continent in two. "What might happen is that the waters ...