The main purpose of this legislation is to create a new council within the Department of Homeland Security (DHS) that will focus on addressing the impacts of global climate change on the department's various programs and operations. The goal is to ensure that the DHS is better equipped to identify, manage, and mitigate the risks associated with climate change. Key provisions of the legislation include the establishment of the Climate Coordinating Council, which will consist of at least 20 senior officials from various offices within the DHS.