Climate change, a global common with regional and national impact, has emerged as a significant challenge contributing to diverse aspects of national security. These range from impact on internal stability to different dimensions of human security each warrant specific responses under an overarching policy concept. Pakistan as a country is indexed for high vulnerability and diverse impact as witnessed in extreme climate change related events. Ministry of Climate Change formulated a national policy in 2012 to make Pakistan a climate change resilient country and outlined different areas of policy action. Five years on, it is appropriate now to reappraise the contributions of the policy while taking into account contemporary developments. Concurrently, different international and national initiatives are consistently being executed to enhance awareness of the recurrent effects of climate change. This paper aims to contribute towards analyzing the impact of climate change on different aspects of national security and suggest a way forward for Pakistan.