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Peter Gleick: Where to find one million acre-feet of water for California.

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Californians have improved their efficiency of water use over the past 25 years. The state's economy and population have grown. But total water use has not grown, and per person, each Californian uses far less today. This improvement in efficiency has saved the state's collective rear end. So far.

Heart of Dryness: Climate Change Coping Strategies

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Since the dawn of Homo sapiens in arid Africa, nine tenths of our evolution has unfolded as foragers. Only relatively recently did our species embark on agriculture, and recent events suggest certain limits to that extraordinary experiment. Exponential population growth has combined with unprecedented climate change until half the planet’s land surface can now be classified as drylands—arid landscapes inhabited by a third of humankind.

Climate Change Is Water Change — Water Experts React to Barcelona Negotiations

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Climate Change Is Water ChangeWater experts have convened in Barcelona to ensure water management strategies are integrated into global climate change negotiations – so far their efforts have fallen on deaf ears.

Keith Schneider: Water Not Mixed into Barcelona Climate Talks

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Circle of Blue's Senior Editor Keith Schneider breaks down the U.N. Barcelona climate conference with day one leaving us to question, "Where's the water?

Climate Change Burden-Sharing Must Not Compromise Developing World’s Growth, India’s PM

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Indian Prime Minister Manmohan Singh with Barack Obama earlier this year.Indian Prime Minister Manmohan Singh said that developing countries will not compromise their financial growth for climate change, and that, instead, rich countries need to ensure access to clean technologies.