Can Geoengineering Undo Climate Change?

It might be too late to prevent every climate-change-related catastrophic event from happening. But there is a way to reverse some of the damage from our emissions. Discover how geoengineering solutions — from techniques as natural as planting trees, to vacuuming CO2 out of the air, to science-fiction alternatives like blocking sunlight — can help humanity turn the tide on climate change, and why these approaches are controversial.

Courtesy of NOVA PBS on YouTube. Watch on YouTube ↗

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