A description of programs, policies, and plans the agency has in place and any additional action the agency plans to take to manage the impacts and risks identified in paragraph (1) and build resilience, both immediately and at milestones that are 5, 10, and 20 years after the date of the enactment of this section. (3) A description of how any climate change-related impact and risk identified under paragraph (1) that is determined by the agency to be so significant that it impairs the statutory mission or operation of the agency will be addressed. (4) An assessment of whether implementation of any of the programs, policies, or plans of the agency exacerbates climate change-related impacts and risks, and a description of how the agency will consider the need to improve climate change adaptation and resilience, including the costs and benefits of such improvement, with respect to agency suppliers, supply chains, real property investments, and capital equipment purchases such as updating agency policies for leasing, building upgrades, relocation of existing facilities and equipment, and construction of new facilities. (5) In the case of the implementation of a program that uses cost-benefit analyses, a description of how the agency incorporates climate change risks into the cost-benefit analyses, including the metrics and methodologies used. (6) A description of opportunities identified to address the disproportionate impacts of climate change on frontline communities and vulnerable populations. (7) A description of how the agency will promote the preparedness and resilience of the Federal workforce with respect to climate change. (8) A description of how the agency will contribute to coordinated interagency efforts to support climate change preparedness and resilience at all levels of government, including collaborative work across regional offices of agencies and through coordinated development of information, data, and tools. (c) Progress reports In 2023 and every two years thereafter, the head of each agency