Scientific American
The project aims to use a balloon to release particles into the atmosphere to tamp down warming
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Harvard University researchers announced yesterday that they are seeking to move their first stratospheric test of a balloon that could one day be used in experiments to shade the Earth from the heating effects of greenhouse gases to Sweden.
Frank Keutsch, the principal investigator of the program, said the test is being moved out of the United States in part because of the coronavirus pandemic. An alternative facility in the United States couldn’t be found to host the balloon launch scheduled for early summer.