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 “한국힐링돌업소【리얼.net】⑬동해리얼반려돌렌탈4청주리얼반려돌렌탈Ё계양리얼돌사이트∝이천리피스걸창업リ청춘리피스걸판매ㅫ잠실리피스걸창업′용인힐링돌수입⑤abthanage” 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.