Physicist David Criswell, director of the Institute for Space Systems Operations at the University of Houston, has proposed a system for collecting solar power on the moon and beaming it to Earth.
"If beaming solar power to Earth by way of the moon sounds like lunacy, consider this: It could provide a clean, emission-free, and unlimited source of energy. And, according to David Criswell, a physicist and Space Age veteran, it could supply all needs of an energy-hungry world in the 21st century and beyond. Criswell proposes a Lunar Solar Power System (LSP), using lunar materials to build bases on the moon to collect solar energy and convert it to microwaves, which would be beamed to a several thousand receivers around Earth. The microwaves would then be converted into electricity to be fed into local power grids."
Thanks to Abhijeet Chavan
FULL STORY: Can Earth Be Powered by Energy Beamed From Moon?

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UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research