The Securing Water for Food Grand Challenge for Development (SWFF) is a collaborative initiative among the U.S. Agency for International Development, the Swedish International Development Agency, the Dutch Ministry of Foreign Affairs, and the Government of South Africa. The current call for proposals focuses on improving water efficiency and reusing agricultural wastewater; effective water capture and storage systems for extending temporal availability of water supply; and management of salinity in water supplies. Awardees will receive between US$100 thousand and US$2 million in funding and acceleration support to bring their innovations to scale. The deadline for applications is 10 October 2016. Link