The Sustainable Phosphorus Alliance is a member organization and North America’s central forum and advocate for the sustainable use, recovery, and recycling of phosphorus in the food system. We envision a food system that manages phosphorus more sustainably to provide abundant, nutritious food while protecting the health of rivers, lakes, and oceans. We invite organizations making phosphorus more sustainable to get involved. The Sustainable Phosphorus Alliance is a unit of the Julie Ann Wrigley Global Institute of Sustainability at Arizona State University.