Astronomer devises giant sun shield to reverse global warming

Flashback: Climate Scientists: Use Spaceships To Block Out The Sun

An astronomer has proposed to reverse global warming by creating a giant sunshield to protect the planet.

Professor Roger Angel thinks he can diffract the power of the sun by placing trillions of lenses in space and creating a 100,000-square-mile sunshade.

Each lens will have a diffraction pattern etched onto it which will cause the sun’s rays to change direction.

He intends to use electromagnetic propulsion to get the lenses into space.

• A d v e r t i s e m e n t

If work was started immediately Prof Angel thinks the sunshield could be operation by 2040.

He said: “Things that take a few decades are not that futuristic.”

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