In 2011, Kiel University researchers began studying CAU-10-H for water harvesting, a project that lasted over a decade. 15 years later, they produced 66 pounds of the material, opening a path to harvest freshwater from air as dry as 18% humidity

As water stress grows in regions affected by higher temperatures and declining rainfall, researchers are exploring ways to obtain freshwater from sources that have traditionally been difficult to use. One promising approach is atmospheric water harvesting, which extracts moisture directly from the air.

Researchers at Kiel University in Germany have spent years developing a porous material called CAU-10-H, which can capture water vapour even when the surrounding air is relatively dry. After years of research and development, the team has currently produced the material on a much larger scale, creating fresh possibilities for testing the technology outside the laboratory.