 According to AMCEN, the Great Green Wall is a flagship program that will contribute to the goal of the United Nations Conference on Sustainable Development, or RIO+20, of "a land degradation neutral world".In 2014, the European Union and the United Nations Food and Agriculture Organization, in collaboration with African and other regional partners, launched the Action Against Desertification program to build on the GGWSSI.Nigeria created an interim agency to support GGW development.