1. Short title This Act may be cited as the Marine Mammal Climate Change Protection Act . 2. Conservation of marine mammals adversely affected by climate change (a) In general The Marine Mammal Protection Act of 1972 ( 16 U.S.C. 1361 et seq. ) is amended by inserting after section 120 the following: 121. Conservation of marine mammals adversely affected by climate change (a) Climate impact management plans (1) Within 24 months after the date of enactment of this section, the Secretary, in consultation with the Marine Mammal Commission, shall publish in the Federal Register, after notice and opportunity for public comment, a list of those marine mammal species and population stocks in waters under the jurisdiction of the United States for which climate change, alone or in combination or interaction with other factors, is more likely than not to result in a decline in population abundance, of impeding population recovery, or of reducing carrying capacity. The list shall identify— (A) any species or population stock for which such impacts are likely to occur within 20 years