“I used to be a man. Now I live like a dog because I am poor”.
The population of Africa in 2100 will be three, four, five or six times larger than it is today.
Almost 60 anti-salt dykes have been built across four regions of Senegal, allowing some 7,000 hectares of once-toxic land to be farmed.
As a moth, they are good flyers averaging about 100 kilometres a night. If left untreated, the armyworm can cause crop losses of up to 50%, munching its way through a hectare within 72 hours.
More than 80% of the water reaching Egypt comes from the Blue Nile which originates in Ethiopia.