As world leaders discuss poverty and climate change from the comfort of their conference halls in Japan, the real effects of those issues are being harshly felt.
In Chad, rising temperatures have brought drought, which is reducing crop yields and causing widespread malnutrition.
Yvonne Ndege travelled to Mambou and filed this report.
afrol News - Huge diamonds found in DRC : "A Canadian mineral exploration firm, Mexivada Mining Corp, has reported the discovery of two large diamonds in its 100% controlled Malambani Permis de Recherche concession, located near Mayoko in the Democratic Republic of Congo (DRC). Mexivada described the first stone as a white, modified octahedron 7.5 milimetres in diameter while the second stone was a shiny 6 milimetre greenish-white coloured dodecahedral diamond. Each of them weighs 0.1 gram"