TreeHugger has a post on Japanese efforts to make space based solar power a (unlikely) reality- Japan Space Solar Plans: Of Laser Beams and Solar Streams.
Japan's space agency, USEF, is in the news again with their plans to build a space solar power station, equivalent to a medium sized nuclear plant, by 2030. Inspired by hope that such a sci-fi vision becomes reality, we have some advice for the Japanese space agency, some wisdom learned in the trenches of the fight against global warming. The nugget of knowledge that could make the difference between success and failure for the ambitious space-based solar station is this:
Nix on talk about laser or microwave beams from space to earth.