Brad Zuger, M. Arch, AIA/AIAS 2008 COTE Scholar Water is the single most important resource. Humans have available less than 0.08% of all the Earth’s water. Yet over the next two decades our use is estimated to increase by about 40% (BBC News). Over the next century, water resources will become a central issue to the quality of human life forcing designers to rethink how water is used and distributed. Can water functions in the built environment mimic natural water systems? It is important for urban designers and architects to re-determine how water is used, conserved, distributed, and replenished in regards to the built environment