planet forward contributor
two years ago when planners designed the new st. paul fire department headquarters, they were thinking with sustainability in mind. the new building is leed certified for energy efficiency and has a designated roof space for a garden and native planting area. green roof have proven to save on energy costs and filter pollution from rain water before it reaches nearby rivers.
see related: solar decathlon 2011 trend: green roofs
planet 世界杯欧洲预选赛免费直播 | university of guam
graduate assistant | george washington university
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