Details about the second phase of the National Program for Sustainable Irrigation. The National Program for Sustainable Irrigation provides Australia with leadership through collaborative investment in research and innovation to achieve sustainable irrigation. Phase 1 of the Program was established in 2002 and built upon and extended the work of the National Program for Irrigation Research and Development. The Program offers a unique service - providing leadership to identify, scope, purchase and manage research useful to partners, that can help to substantially improve the sustainability of irrigation.