Earlier this month, the first building in the U.S. permitted to treat rainwater for potable uses also became a Living Building—the highest level of ultra-green-building certification granted by the International Living Future Institute.
Promulgators of the Living Building Challenge, acknowledged as the most demanding certification program for the production of ultragreen buildings, are on a campaign to scale up the size of the projects that register for the rigorous net-zero annual energy- and water-use performance categories.
