Among the dramatic plans featured is the us Army's Project Cirrus, an experiment in 1947 to weaken a Caribbean hurricane by "seeding" its clouds.

其中最引人注目的特色设计是美军人工影响飓风计划(Project Cirrus)。这是美军于1947年进行的一项实验，通过“种云”削弱加勒比飓风。

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Now, a UK team is proposing "seeding" clouds out at sea to control hurricane strength, and perhaps stop them forming at all.

BBC: Geoengineering: Risks and benefits