; and (C) in subsection (e), as so redesignated— (i) in paragraph (2)— (I) in the first sentence— (aa) by striking eight years following the enactment of this subsection and inserting 10 years following the date of enactment of the Trillion Trees Act ; and (bb) by striking eight-year period and inserting 10-year period ; (II) in the second sentence, by striking such eight-year period and inserting the 10-year period ; and (III) in the third sentence, by striking 1978 and inserting 2021 ; (ii) by redesignating paragraph (3) as paragraph (4); (iii) in the first sentence of paragraph (4), as so redesignated, by striking subsection (d) and inserting subsection ; and (iv) by inserting after paragraph (2) the following: (3) Reforestation Prioritization (A) Reforestation priority (i) In general In carrying out this subsection, the Secretary shall give priority to projects on the priority list described in clause (ii)(I). (ii) Priority list (I) In general The Chief of the Forest Service shall, based on recommendations from regional foresters, create a priority list of projects that— (aa) primarily take place on priority land; and (bb) promote reforestation following unplanned adverse events on priority land. (II) Ranking The Chief of the Forest Service shall rank projects on the priority list under subclause (I) based on— (aa) the ability to measure the progress and success of the project; and (bb) the ability of a project to provide benefits relating to forest function and health, soil health and productivity, wildlife habitat, improved air and water quality, carbon sequestration potential, job creation, enhanced recreation, and forest wood products. (B) Definitions In this paragraph: (i) Priority land The term priority land means National Forest System land that, due to an unplanned natural or anthropogenic adverse event (including a wildfire, ice, blowdown, insect infestation, disease, volcanic activity, or seismic event) is— (I) understocked