Salted Clouds Pour More Rain on Mexico

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Science  29 Sep 2000:
Vol. 289, Issue 5488, pp. 2263-2264
DOI: 10.1126/science.289.5488.2263

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The science of weather modification has been moribund for the last 2 decades, as practically nothing was working in experiments intended to increase precipitation, and scientists didn't understand what was happening in the little work that showed any promise. Now, a glimmer of hope out of South Africa by way of Mexico has researchers guardedly upbeat again. Water-attracting salt grains have been shown to wring more water from reluctant rain clouds in a Mexican experiment.