Here is a close-up shot of a clever feature in the WaterShed house to reduce the cooling needs. The house features an indoor waterfall using a high-saline solution which absorbs water from the air. By lowering the humidity, the house's air conditioning units don't need to work as hard, saving energy.
University of Maryland grabs gold in Solar Decathlon (photos)
by CNET News.com | October 3, 2011, 11:00am PDT | Image 3 of 5