Cloud seeding stymied by smaller budgets, science

12/11/2009 | Los Angeles Times (tiered subscription model)

More governments around the world are turning to cloud seeding to help combat drought, but the technique is being threatened by the global recession and questions about its effectiveness. In cloud seeding, machines spray chemicals into clouds to force rain to fall. But states such as Oklahoma, Texas and Nevada have slashed their budgets for their projects, and some science organizations say that although the technique might be promising, there's not enough evidence yet to prove that it works.

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