To mitigate impacts of climate change, some turn to controverial "geoengineering"
As scientists work to blunt the impacts of climate change, a controversial method called geoengineering is being considered as a way to help cool the planet. Ben Tracy has more.
As scientists work to blunt the impacts of climate change, a controversial method called geoengineering is being considered as a way to help cool the planet. Ben Tracy has more.
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