[The Conversation Africa] The Mexico City Policy - often referred to as the "Global Gag Rule" - is a US government policy that requires non-governmental organisations (NGOs) that are not based in the US and that receive US global health assistance to certify that they will not provide, refer for,...

[The Conversation Africa] Lake Chad is an extremely shallow water body in the Sahel. It was once the world's sixth largest inland water body with an open water area of 25,000 km2 in the 1960s, it shrunk dramatically at the beginning of the 1970s and reduced to less than 2,000...