Pakistan and Afghanistan both are underdeveloped states and totally depended on agriculture for their economic spine. Terrorism issues with massive liability shortfall, susceptible set-up, bad governance, huge corruption, widespread poverty and extensive protection disbursement share the issues and issues of both countries. Global Climate Change and weather trade, and enlarging risk, foretells disastrous consequences on agriculture. The South Asian Region generally and PakAfghan particularly vulnerable to Challenges due to the weather change, consisting of, quickly melting Himalayan glaciers resultant in water shortage, low farming harvests main to meals lack confidence, threatened seashores, and people movement are causal to the emergencies of individualism and power between two important neighbours. These multidimensional factors of imminent issues have generated a debate to appear past the out-of-date coast-to-coast security constraints and comprise the environmentalist model of security, which calls for developing the variation ability of a state.