Once a key link in France's military presence in Africa, Chad was its last foothold in the wider Sahel region after the forced withdrawal of French troops from Mali, Burkina Faso and Niger.

The projects have built capacity to enable local scientists to collect and analyze water samples from thousands of locations in the Sahel region. This has allowed ... Water Using Isotopic Techniques ...

The Sahel has emerged as a critical geopolitical region where the UK and its allies face consequential policy decisions related to security, stability, cross-border organised crime, terrorism, illegal ...