Global food production is facing many challenges to meet current and future demand. The case is similar in Sri Lanka where the productivity of most of our crops and livestock is lower than the potential and those of many other countries. Impacts of climate change on agriculture will add stress to our ability to produce enough food for a growing population with fewer resources. Adapting agriculture to climate change to meet these needs is a critical challenge for current and future generations. This subject offers you a scientific base for climate change and will examine the potential impacts of climate change on water resources and agricultural production, and explore adaptation and mitigation options within various sectors of agriculture and food production.