The Carlsbad De-salination Project, still going through the approval process, will supply 8% of San Diego County's drinking water by 2014.
2. U.S. ($210 million)
The utility Tampa Bay Water hired Veolia to build a treatment plant that provides 120 million gallons per day of H[subscript 2]O to 2.4 million people. The just-opened facility serves a population that traditionally relied on well water.
3. Kazakhstan/Uzbekistan ($86 million)
In 2005 the government and the World Bank built a dam to raise water levels in the northern Aral Sea. Now they are working to bring back fisheries and local agriculture.
4. India ($128 million)
The Karnataka Watershed Development Project helps raise water tables, bring degraded lands under cultivation, and enable farmers to diversify into higher-value crops and raise agricultural productivity.
5. China (Estimated $62 billion)
The South to North Diversion Project will draw water from four rivers in the south to the dry northeast. The 1,816 miles of conduits will take 50 years to complete.
Climate scientists and their billionaire backers are trying to turn down the global thermostat - and make money doing it.
