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 “㋙건마정보[bam2.net]+㎖건마추천+ⓐ건마달리기+ꂙ건말이용법+ꉁ건마정보+ꋶ밤의달리기+ꅑ건마유흥+ꄃ+ޒ건마예약+囝밤의달리기” 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.