[Yo-Yo]

I think their idea involves mobility, so that if the jet stream shifts enough, it becomes economical to bring the things down, then kite 'em up where the jet stream moved to.

Along with the several megawatt plug-in to the electical grid. That part doen't move so easily.

Whatever happened to solar satellites that would beam energy down to the earth via microwaves?

[SunkenCiv]

solar satellites that would beam energy down to the earth via microwaves?

Talk about global warming. :') Try that, and we will all need tinfoil hats.

One of the strongest advocates of that type of system was the late Gerard K. O'Neill.