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Global Warming Solar Sails

This video explains how global warming could be controlled by building vast solar sails out in space. These would partially shade the Earth and stop us receiving so much solar radiation. As a result, high greenhouse gas levels could be tolerated without the planet warming up.

Still images from this video can be found in the Future Visions section. You can read more about global warming on the climate change page. You can also discuss this video on YouTube.

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