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 “건마정보[bam2.net]+꒲추천건마+ꉑ건마즐기기+ꃮ건마찾기+ꍝ건마문화+ଈ밤의달리기+◈건마유흥+ռ+ᕳ건마순위+ꎦ밤문화” 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.