Will give brainliest, like, 5 stars and 5 points to best answer What is the most promising new source of water?

evaporation systems allow for an endless source of water. you can grab cups of water straight from the sea or even a lake. the use of evaporation allows for you to drink water thats even healthier than getting it from a cloud and it will leave all of the bad parts that used to be in the water in the first container you pour into. this system is most useful in hot climates such as places near the equator.  

if you mean hydrogen and oxygen then water is the product