; (2) in developing the guidance, consider available international Health Impact Assessment guidance, North American Health Impact Assessment Practice Standards, and recommendations from the National Academy of Science; and (3) not later than 1 year after the date of enactment of this section, publish the guidance. (d) Grant program The Secretary, acting through the Director and in collaboration with the Administrator, shall establish a program under which the Secretary shall award grants to States to fund eligible entities for capacity building or to prepare Health Impact Assessments, and shall ensure that States receiving a grant under this subsection further support training and technical assistance for grantees under the program by funding and overseeing appropriate local, State, Tribal, Federal, university, or nonprofit Health Impact Assessment experts to provide technical assistance. Such assessments shall— (1) ensure that appropriate health factors are taken into consideration as early as practicable during the planning, review, or decisionmaking processes; (2) assess the effect on the health of individuals and populations of proposed policies, projects, or plans that result in modifications to the built environment