Exporting water

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Written by Lester Brown

Grain exporters, are, in effect, water exporters. Canada, where water exports are a politically sensitive issue, in o­ne of the world's leading exporters of water in the form of grain. The 18 million tons of grain, mostly wheat, that it ships abroad each year embody 18 billion tons of water. Similarly, U.S. annual grain exports of 90 million tons of grain represent 90 billion tons of water, an amount that exceeds the annual flow of the Missouri River.

Lester Brown, The Earth Policy Reader, p. 97.

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