Elected leaders in Alameda, Calif., voted to stop scientists from testing a device that might cool the planet, overruling city staff. Residents voiced fears about intervening with natural systems to ease global warming, despite expert assurances of safety.
The experiment involved spraying sea-salt particles on the U.S.S. Hornet, with potential future use to brighten clouds and reflect sunlight away. Deliberate interventions in climate systems are becoming necessary as global warming's impact worsens.
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