From a solar mansion in China to a floating farm in New York, green buildings are sprouting up in cities around the world. Among their many benefits are curbing fossil-fuel use and reducing the urban heat island effect.
The Science Barge is a floating environmental education classroom and greenhouse on the Hudson River in New York. Fueled by solar power, wind, and biofuels, the barge, which was built in 2007, has zero carbon emissions.
Vegetables are grown hydroponically in an effort to preserve natural resources and adapt to urban environments, where healthy soil, or soil at all, is hard to come by. Rainwater and treated river water are used for irrigation.
The owner of the barge—New York Sun Works—designed it as a prototype for closed-loop and self-sufficient rooftop gardens in urban areas.
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