Food insecurity remains endemic in most of the Africa countries, with climate factors such as rainfall variability as a major cause. The signi?cance of this variability is clear when we consider that in sub-Saharan Africa, agricultural productionaccountsforupto90%offoodneeds.Socio-economicconditionsandtheadverse impact of unpredictable weather on the agricultural production of communities in sub-Sahara Africahave long been recognized asanimportant cause ofmalnutritionin the region. The paper reviews the current state of knowledge related to the threats of climate to food crisis in sub Sahara Africa. Long-term climate change is linked to global warming. This increase is partly due to the in?uence of human activities on nature such as exhaust gas emissions from vehicles, coal burning for energy, and deforestation. Tackling these challenges of climate change will require the use of sophisticated surveillance and response systems. Therefore, mitigation policy that assures food security at all time is recommended to achieve the Millennium Development Goal 1 to reducing by half people suffering from hunger by 2015.