Here is a fact worth thinking about: agriculture 70% of all water used worldwide for a particular purpose. And the demand is the world's population and our growing appetite for meat. This corresponds to the UN food and Agriculture Organization (FAO), which published this poster and others growing recently in a striking series on the central role of water in our food.
But what is if the water runs out, so that wilted fields and empty stomachs? In some places - think of California, and China's Yellow River basin – there is a real lack of water for agriculture. But according to a collection of studies just published in the journal water international, which is an exception to the rule.
Researchers examined ten of the most important river basins in the world, including the Nile, the Mekong, the Volta and the Indus-Ganges, and came to the conclusion that there is most of them, enough water for all.
The hook? It has divided fairly and efficiently used be.
In sub-Saharan Africa, where is the lowest agricultural productivity and food shortages are the most common "Large amounts of rainwater lost or never used," says Alain Vidal, Director of the programme of challenge on water and food, the studies given.
Small tank could help. You catch the precipitation and save it until it is needed. Equally important: all farmers need access to the stored water, not just the wealthy and well connected.
The "challenge program, which funded these studies is the brainchild of a far-flung network of institutions of the Consultative Group on international agricultural research called. It is dedicated to the improvement of crops and agricultural practices in the world's poorest countries.
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