Ikal Angelei is helping lead a campaign to stop construction of the Gibe III dam in Ethiopia that threatens the water supply and way of life of tens of thousands of indigenous people.
Ethiopia's state project to make it into one of the world's top sugar producers requires the resettling of semi-nomadic herders in permanent villages. Which priority wins out: cultural preservation or economic progress?
Africa is set to be hit hard by climate change, and it already faces the highest electric power costs in the world. But new initiatives could put Africa at forefront in adapting alternative energies.