Sanchez Elementary School, in San Francisco’s Mission District, has erected the city’s first public, off-the-grid, vertical garden. Equipped with a high-tech weather station, students will study the growth patterns of the edible, organic vegetables and measure weather patterns.
http://www.sciencedaily.com/releases/2009/03/090312114757.htm
http://www.cbf.org/Page.aspx?pid=687