The International Water Management Institute has 500 scientists who examine the water we use for agriculture. Their report took 5 years. They found that we would not have enough water to supply global demand for food over the next few decades unless urgent and substantial reforms in water and agriculture are undertaken. Climate change will make this situation happen more quickly and to a worse degree. The latest IPCC report says that if global average temperature rises by 3°C, hundreds of millions of people will be exposed to increased water stress. It provides the Wake-up call we all need to start acting on water. We can see this crisis unfolding over the next several years. A perfect storm is approaching. And all this sits on top of the morally indefensible situation of today where 20 percent of the world’s population is without access to improved water supply.
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Population pressure and increasing water competition in a changing climate require us to take stock of the availability and use of water across scales. Water availability not only influences farmers’ commercial prospects but also irrigation-related enterprises and agri-businesses. Greater water scarcity could jeopardize irrigation and agricultural markets while excessive water use can lead to declining ecosystems, water quality and soil health. IWMI advises development partners and the public and private sectors on all aspects of water resource availability and use through a variety of advanced modeling and remote-sensing products and tools, including 
The ability of farmers to engage in or expand irrigation depends on the prevailing socioeconomic, ecological and political contexts, which are often complex, non-linear and changeable. Overcoming systemic barriers to farmer-led irrigation development while taking advantage of existing opportunities 
A lack of affordable credit, particularly for women and resource-poor farmers, is one of the main barriers to expanding farmer-led irrigation in low- and middle-income countries. But 
Scaling farmer-led irrigation requires strengthening human capacity and knowledge exchange among all actors and stakeholders involved. IWMI takes an action research approach, working with national and international research institutions, governments, extension agents and public and private organizations to co-develop the scaling ecosystem and strengthen capacity to drive scaling networks and collective action. We support the