Planned Harvard balloon test stirs solar geoengineering unease – Reuters

Harvard University scientists plan to fly a test balloon above Sweden next year to help advance research into dimming sunlight to cool the Earth, alarming environmentalists opposed to solar geoengineering.Open-air research into spraying tiny, sun-reflecting particles into the stratosphere, to offset global warming, has been stalled for years by controversies – including that it could discourage needed cuts in greenhouse gas emissions.

Source: Planned Harvard balloon test stirs solar geoengineering unease

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