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 “ꃪ휴게텔정보[bam2.net]+ꄯ추천휴게텔+ꄛ휴게텔즐기기+▒휴게텔찾기+ꂿ휴게텔가격+ꏥ밤의달리기+ᕹ휴게텔미인+9전국휴게텔정보+ᓑ휴게텔예약+ꊌ밤의달리기” 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.