There's not enough fresh water to go around on planet Earth, and it's a problem that's expected to only worsen in the coming years.
To meet growing demand, recycling and restricting our water will only get us so far. Scientists will need to find new sources of this life-sustaining liquid to meet our needs.
One currently untapped source is the water vapor above the oceans, which is almost limitless as far as supplies go. A new study outlines how harvesting structures could be used to convert this vapor into drinkable water.
"Eventually, we will need to find a way to increase the supply of fresh water as conservation and recycled water from existing sources, albeit essential, will not be sufficient to meet human needs," says civil and environmental engineer Praveen Kumar, from the University of Illinois Urbana-Champaign.
"We think our newly proposed method can do that at large scales."