; and (X) experts in homeland security threat assessment and intelligence analysis, especially as it concerns natural disasters; and (N) representatives of such other stakeholders and interested and affected parties as the Administrator determines appropriate. (2) Representation The Administrator shall ensure, to the extent practicable, that members of the Subcommittee represent a geographic (including urban, rural, and coastal) and substantive diversity of State, local, and Tribal government officials, emergency managers, and emergency response providers, scientific and technical experts, private-sector companies, and nongovernmental organizations. (c) Responsibilities The Subcommittee shall advise the Administrator on how to best incorporate climate change, including risk assessments and strategies for adaptation and mitigation, into and throughout FEMA’s policies, plans, programs, and operations, including through the performance of the following duties: (1) Assessment Not later than 18 months after the date of enactment of this Act, the Subcommittee shall develop and submit to the Administrator and Congress, and make available to the public, an assessment of all relevant FEMA policies, plans, programs, strategies, and operations with a focus on climate change-related risks, impacts, adaptation, preparedness, mitigation, and resilience. The assessment shall address— (A) existing and future risks and impacts posed by climate change to States, cities, and communities throughout the United States, including the current and potential impacts of climate change on national emergency management, annual disaster costs, and natural disaster mitigation, preparedness, response, and recovery; (B) the extent to which climate change, including risk assessments, resilience, adaptation, and mitigation, is currently integrated within FEMA policies, plans, programs, strategies, and operations, as well as the extent to which and areas where such integration is lacking