Northern Mali's population is fast dwindling as people flee desertification, drought and armed conflict only to end up in places where they face increased competition for resources.
Harvard researchers say that installing solar panels would have an impact around 10 times smaller than wind turbines for the same energy generation rate.
Before taking the dangerous sea journey to Europe, tens of thousands of migrants face several life-threatening situations on land. And Libya has become the most treacherous transit route.
For years, the border separating Morocco and Algeria has remained shut over security issues. Despite the closure, the border is a site of drug smuggling.
Six survivors walked to a remote village where they said that 44 people, mostly from Ghana and Nigeria and including three babies and two other children, died of dehydration, according to the department head for the Red Cross in the Bilma region.
It's been almost 9 years since Senegal planted the first tree in the Sahel region, as part of the Great Green Wall initiative.
There is an expanding international demand for argan oil, an organic healthcare product made from the fruit of Morocco's native argan tree. But how are these plants tied to the country's battle against the growing Sahara desert?
Smugglers abandon 34 refugees including 20 children in Niger desert close to Assamaka.
Nigerian foreign minister says his country needs 1 billion euros to protect legal refugee flow.
More than 100 refugees were caught in Niger while trying to illegally cross the country's northern border and into neighbouring Algeria
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