Solar Decathlon (15)-University of Maryland’s Water Shed Design of 2011


Dear Readers,

If you are in favor of renewable,  clean, or solar energy, please sign this petition for FIT/CLEAN Program, accessible at Thank you very much. We are at a critical juncture in human history when individual effort and participation in the transition into renewable energy age is desperately needed!  Your signature will be very meaningful in helping all earthlings!  For a summary of why we need to switch to power the earth with Wind-Water-Sunlight quickly, reasons are explained by Stanford Professor Mark Z. Jacobson at There are more than sixteen episodes of discussions on FIT (Feed-In-Tariff/CLEAN Program) available at Please feel free to read/listen to them (type in feed-in-tariff in the search box at right).

The University of Maryland’s Water Shed is a  design inspired by Chesapeake Bay (the largest estuary in the United States) and is composed of two modules, North module is for public while the South module is that of the private realm.  These two modules have the butterfly roof, one roof with PV array while the other with vegetative green roof and the two meet in the middle where the central water accesses and where the bathroom exists. On  either side of East side, PV side of the roof, rainwater drains down into a  harvesting tank and  the green roof along with the gray water from the house are sent to the West side constructive wetland which filters the gray water that may be reused for irrigation. Mechanical, electrical, and automated control systems are at the core of the house, with various parts of the systems functioning effectively, efficiently, and collaboratively.  Now let’s take a look at this design that not only harvests the sun’s energy, recycles its waste into nutrients, but also demonstrates how human settlements may be designed to  help to protect this precious ecosystem.


written and posted by Susan Sun Nunamaker,



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