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China seeks to fight smog by brainstorm: All ideas welcome
China seeks to fight smog by brainstorm: All ideas welcome

The city of Wuhan is considering building skyscrapers coated with a high-tech substance that can "eat" air pollutants. An artist is offering to suck particulates out of Beijing's dirty skies using a giant vacuum-cleaner-type device and sell jewelry made with the collected contaminants. One researcher is suggesting an "urban wind passage" in the Chinese capital, regulating the height and density of buildings so that smog has a dispersal channel. Not a week seems to pass here without a news report on the latest whiz-bang proposal to help solve the country's critical air pollution problem. Other recent ideas include sending drones aloft to freeze particulates and...

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