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 “ꅯ수원건마[bam2.net]+㈫수원유흥+ј건마위치+ᑫ수원건마+ஔ건마추천+܉밤의달리기+ρ수원휴게텔+ᛥ수원건마추천+ⓙ수원애인만들기+②밤의달리기” 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.