; (3) are located in a neighborhood with a low percentage of tree canopy cover; (4) are located in a neighborhood with a high percentage of senior citizens or children; (5) are located in an area where the average annual income is below the regional median; (6) will collaboratively engage community members to be affected by the tree planting; and (7) will employ local residents as a substantial percentage of the workforce of the covered project, with a focus on local residents who are unemployed or underemployed. (e) Tree planting goals Subject to the availability of appropriations, the Secretary shall, to the maximum extent practicable, award grants under the Program in a manner that facilitates the planting of at least 300,000 trees each year. (f) Federal share The Federal share of the cost of a covered project assisted by a grant awarded under the Program shall be 90 percent. (g) Authorization of appropriations There is authorized to be appropriated to carry out the Program, $50,000,000 for each of fiscal years 2024 through 2028. (h) Definitions In this section: (1) Covered project The term covered project means a tree planting project carried out to reduce residential energy consumption. (2) Eligible cost The term eligible cost means, with respect to a covered project— (A) the cost of carrying out the project, including— (i) planning and design activities; (ii) establishing nurseries to supply trees; (iii) purchasing trees; and (iv) preparing sites and planting trees; (B) the cost of maintaining and monitoring planted trees for a period of not more than 3 years; (C) the cost of training activities