22 U.S.C. § 646
PROMOTION OF WATER QUALITY, WATER TREATMENT SYSTEMS, AND ENERGY EFFICIENCY.
“Subject to the availability of appropriations, the President is authorized to provide matching grants to United States associations and United States nonprofit entities for the purpose of promoting water quality, water treatment systems, and energy efficiency in the region. The grants shall be used to support joint projects, including professional exchanges, academic fellowships, training programs in the United States or in the region, cooperation in regulatory review, development of training materials, the establishment and development in the region of local chapters of the associations or nonprofit entities, and the development of online exchanges.