A large portion of the world’s water is used for agriculture and most of this water is going to waste. Precision Irrigation is a concept and practice that aims to meet the growing demands for increased food production while simultaneously promoting sustainable agricultural livelihoods and ecosystem health. This introduction is based on reports produced by the Food and Agricultural Organization of the United Nations (FAO), UNESCO, The International Water Management Institute (IWMI), The Stockholm International Water Institute (SIWI) and the World Business Council for Sustainable Development (WBCSD).