My mind immediately went to solar, but I guess water filtration solutions for global access to fresh water would be good. Maybe a solar-powered water condenser and filter? Pull water out of the air, for places that don’t have great water distribution infrastructure, that kind of thing.
My mind immediately went to solar, but I guess water filtration solutions for global access to fresh water would be good. Maybe a solar-powered water condenser and filter? Pull water out of the air, for places that don’t have great water distribution infrastructure, that kind of thing.