In comparison to WaterSeer, you can find solar panels used to generate drinkable water from humidity in the air: These Solar Panels Can Pull Drinking Water Straight From the Air
Even though this technology has already been thought by many and developed by few the amount of water produced is really small, due to the process they have chosen. So I would like to address this question to those of you interested in developing countries. Do you think it may be a solution? And considering also the innovative introduction and therefore understanding of wind turbines in developing countries, as the start up of Sunay Gupta is doing, what technology do you think is more suitable to address water scarcity?