'Sunshade' Could ease global warming

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For those hot days at the ocean, a beach umbrella can help block the sun's heat and ultraviolet radiation. Now an orbiting sunshide could do the same for the planet, in the event of a global warming emergency.Like a light-blocking cirrus cloud the flock of spacecraft would diffuse about two percent of the sun's energy away from the earth. So instead of one shade, he devised a plan to launch trillions of disk-like craft, each 2 feet in diameter.Made from a lightweight film, each vehicle would weigh as little as a butterfly. What is your opinion. My opinion is : Coud be possible.