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by Brad Lancaster To address dwindling Colorado River water supplies, upon which many communities depend, western cities are committing to reducing ornamental grass and its associated water use (figures 1 and 2). That’s…
Cascabel, Arizona, USA Latitude 32.2˚N Elevation 3,195 feet (973 meters) Average annual rainfall 10.28 inches (261 mm) Average annual humidity 36% David Omick and Pearl Mast are wonderful practitioners of productive and joyful…
Brad’s May 2015 presentation “Integrated Local Harvests”. Midway through, Brad engaged the attendees in some kinesthetic learning about working with the Earth’s seasons via the Sun-Path Dance. Presented at the Coneybeare Cleantech Conference…
Brad Lancaster leads us on a tour of the epic water harvesting demonstration site on University of Arizona’s campus in Tucson, Arizona.
Arizona Phoenix Walter Cronkite School of Journalism and Mass CommunicationCondensate is directed to a storage tank from which it is distributed to help irrigate the landscape. Habitat at the Phoenix Convention CenterTank storage…
Condensate Calculatorwww.buildinggreen.com/calc/calc_condensate.cfm “Condensate Water Recovery: Cost Effective Water Conservation” by Karen Guz, ASHRAE Journal, Vol. 47, No. 6, June 2005, pages 54-56.Great write-up of condensate’s potential and challenges. “Harvesting Air-Conditioning Condensate in Jeddah,…
Underwood Family Sonoran Landscape Laboratory. College of Architecture, Planning, and Landscape Architecture (CAPLA). University of Arizona. Tucson, Arizona, USA. Latitude 32.2˚. Elevation 2,555 feet (779 meters). Average annual precipitation 11 inches (280 mm).…
The following chart shows you the energy costs (from pumping, transport, cooling, and/or treatment) of various sources of water… Note the especially high end of the kWh/gallon range for on-site AC (air conditioning)…
Near Study Butte, West Texas, USA. Latitude 29˚ 19’N. Elevation: 2674 feet (815 meters). Average annual rainfall 11.6 inches per year. Average annual humidity 77%. Harvesting passive condensation Passive condensation occurs on naturally…