Solar still has a number of big draw-backs that need to be overcome (namely storage and time-to-recharge), but I suppose we have more time to work it out now. I

Solar still has a number of big draw-backs that need to be overcome (namely storage and time-to-recharge), but I suppose we have more time to work it out now. It's kind of a same, though.. I'm not sure the environment can tolerate much more burned fossil fuels.