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 “㌃강북건마[bam2.net]+ㅸ강북유흥+¾건마즐기기+⒲강북건마+ꊧ추천ㅇㅍ+ᑻ밤달+ⓜ강북휴게텔+ᔲ강북건마추천+ꆹ강북미인+ꎥ밤의달리기” 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.