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Getting “More Crop Per Drop” to Strengthen Global Food Security





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From the Worldwatch Institute’s Nourishing the Planet.

Increasing demand for water continues to put a strain on available water sources, threatening the livelihood of millions of small-scale farmers who depend on water for their crops. At a time when one in eight people lack access to safe water, Nourishing the Planet points to low-cost, small-scale innovations to better manage this vital resource. These efforts are increasing the availability of water for crops and helping farmers improve crop productivity and become more food-secure.

Seventy percent of the world’s freshwater is used for irrigation, and global water resources are drying up as climate change takes hold and population growth continues. 60 percent of the world’s hungry people live in South Asia and sub-Saharan Africa—most of them on small farms—where they do not have a reliable source of water to produce sufficient yields. Only 4 percent of the cultivated land in sub-Saharan Africa is currently equipped for irrigation. 95 percent of cropland in the region depends on rain, and climate scientists predict that rainfall on the continent will decline in the coming decades. But there is great potential to expand irrigation with small-scale solutions.  Continued...

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