Eyes in the sky track health of Earth's African 'lung' and the pains of its lands
Talks are under way with Rwanda and DR Congo to determine how they can gain access to the satellite images.

Talks are under way with Rwanda and DR Congo to determine how they can gain access to the satellite images.
The desert sands are encroaching on the Niger River itself, threatening the survival of more than 100 million people living in its basin.
At least 25% of Africa’s population lives within 100km of a sea coast. Dar es Salaam, Mombasa, Lagos, Abidjan, Nouakchott should be afraid.
The Sahel is creeping south by approximately 3,600 square kilometres a year, swallowing whole villages.
A peasant from the village of Selbo in northern Burkina Faso gestures near grass he planted