Dutch artist Ap Verheggen has developed a solar-powered device to extract moisture from the air. To put it to the test, he went to a country with plenty of sunshine but not enough water: Mali.
Violence between rival communities has claimed the lives of more civilians, Mali's government said. The region has been plagued by ethnic tensions, Islamist militant groups and conflict over resources.
A deadly ambush in a northern province on the border to Mali has prompted Burkina Faso's president to declare a state of emergency. Burkina Faso is battling increased attacks by Islamist militants in the Sahel region.
The EU and France have increased their financial support for projects in the five Sahel states which sit on the southern rim of Africa's Sahara desert. Terrorism and lawlessness have blighted the region for years.
The death of a Spanish toddler who fell into an illegal borehole has put the country's water crisis in the spotlight. It's estimated that there are more than 1 million illegal wells in Spain.
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