This Act may be cited as the Tribal Climate Health Assurance Act of 2025.

Part B of title III of the Public Health Service Act is amended by inserting after section 317V (42 U.S.C. 247bU.S. Code — Title 42, Section 247bView official source on GovInfo–24) the following new section: 317W. Climate Ready Tribes Initiative (a) In general The Secretary, acting through the Director of the Centers for Disease Control and Prevention, in coordination with the National Indian Health Board, shall implement the Climate Ready Tribes Initiative for the following purposes: (1) Translating climate change science to inform Tribal governments, health departments, and communities. (2) Creating decision-support tools to build capacity to prepare for climate change. (3) Serving as a credible leader in planning and preparing for the public health impacts of climate change. (4) Identifying, assessing, and taking action to mitigate climate-related health threats. (5) Sharing relevant materials and resources, including information about funding and other opportunities. (b) Authorization of appropriations (1) In general To carry out this section, there is authorized to be appropriated $110,000,000 for fiscal year 2026 and each fiscal year thereafter. (2) Limitation None of the funds made available under paragraph (1) may be transferred or reprogrammed by the Secretary to carry out another program administered by the Secretary..