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 “상주힐링돌리뷰【리얼.net】ㄶ시흥리얼반려돌구매ゃ무안리피스걸렌탈㈑삼성리얼반려돌체험방ⓓ밀양힐링돌체험방ⓨ노현리얼반려돌렌탈⒁문경리피스걸수입▥청도힐링돌리뷰∋absorbs” 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.