in many developing countries a significant number of poor families face poverty hunger food insecurity and malnutrition which intensify with adverse biophysical growing conditions and poor socioeconomic infrastructure wani etal crop production which is vital to global food security is already being affected by climate change more so in impoverished communities it has been predicted that over the next decades billions of people especially those living in developing countries will face water and food shortages and greater risks to health and life because of climate change