At a net-zero home in San Francisco, the house's green roof is more of a brown roof: a desert-like array of native and non-native succulents that require minimal irrigation. The soil area is maintained with motorcycle tires (including one from a Harley hog), which control erosion. Composting takes place here as well.  Search “ꌦ건마[bam2.net]+㊗추천건마+㌘건마즐기기+ⓝ건말이용법+㋗건마정보+ᛋ밤달+ꎹ건마가격+전국건마사이트+ఓ건마위치+─밤문화” from This Net-Zero Residence Might Be the Greenest Home in San Francisco

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At a net-zero home in San Francisco, the house's green roof is more of a brown roof: a desert-like array of native and non-native succulents that require minimal irrigation. The soil area is maintained with motorcycle tires (including one from a Harley hog), which control erosion. Composting takes place here as well.