Blue Raster recently worked with the World Resources Institute (WRI) to build the Agricultural Exposure to Water Stress interactive map which highlights the intersection between 20 commodity crops, from coffee to cocoa to oranges, with different levels of baseline water stress.
WRI describes water stress as “the ratio of total water withdrawals to the available renewable supply in an area. In highly water-stressed regions, 40 percent or more of the supply is used annually. When that ratio gets up to 80 percent, it’s considered extremely stressed.”
The new series of maps designed by Aqueduct analyst, Francis Gassert, reveals where crops are grown in areas of high competition for limited water supplies and shows that 56% of irrigated agriculture face high water stress. The tool allows users to zoom to areas of irrigated and non-irrigated farm land around the world and visualize where the demand for water is greatest. With water demand forecasted to increase 50% by 2030 due mostly to agriculture, the tool helps show the urgency of finding sustainable means for food production.