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Maybe this question belongs also into the space department here. The only Lagrange point that makes sense is Earth - Sun - L1, and it is unstable (needs continuous correction). Satellites have already been put there, e.g. SOHO. But what we really need to do is cut down greenhouse gas emissions, anything else is not sustainable, or not practicable (a 300km ...


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It would have to be a hell of a big disc, and in a geostationary orbit. No, it's not practical, we can never control the weather with satellites in space. It's a non-starter. What might be done with satellites is to reflect the sun's rays into frostbound valleys where there is a small town in shadow which is not getting the benefits of spring as early as ...


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