Tuesday, December 1, 2015
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A world at war over water? It could happen
By Mike Barnett
Earth is facing a looming water crisis and the consequences could spell war in an ever thirstier world.
That’s the consensus of the InterAction Council (IC), a group of 40 former heads of state and former government, academic, and foundation leaders.
Look what’s happening here in Texas and you can easily see the causes for concern.
Last year’s drought (ongoing in many parts of the state) brought home to most everyone that water is a limited resource in parts of Texas. Many municipalities continue to scramble to supply their residents while irrigation supplies have been shut off for rice farmers along the Gulf Coast. The “blame game” finger has already started pointing at agriculture, the biggest user of water.
The problems will intensify as municipalities, industry, and agriculture must share a finite amount of water as the population in Texas is expected to soar over the next three decades.
Take what’s happening in Texas and multiply it on a worldwide scale and you see the potential for conflict.
The InterAction Council says there will be an additional 1 billion mouths to feed by 2050. This means the world must find the equivalent of 20 Nile Rivers or 100 Colorado Rivers to provide the water to grow the necessary food. That’s a lot of water.
The greatest demand will be for agriculture and industry in the United States and in the two most populous nations on earth, China and India.
Maybe world agriculture will follow Texas’ lead in more efficient water use in agriculture. Irrigated farm acres in Texas declined 18 percent from 1974 to 2008 while the total amount of water used for irrigation dropped 32 percent. At the same time, irrigated corn yields increased 46 percent (from 1981) and cotton yields tripled from 1974 to 2010.
Texas agriculture continues to do more with less and farmers continually strive to be more efficient. The world will have to do the same. But even that isn’t enough.
New technologies must be developed: breeding more drought-resistant plants, developing new irrigation techniques, finding new sources of water such as desalination, and conserving better what we do have.
The alternative is ugly. No water means no food. Does that mean hungry nations will fight to survive in wars over water? Let me know what you think.
Mike Barnett is the director of publications for the Texas Farm Bureau.
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