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 “ꉐ천안오피[bam2.net]+ᖵ천안휴게텔+↕천안오피위치+ᚩ천안오피+ᕻ오피추천+ᑞ천안+ᖿ천안오피가격+㌤천안오피정보+㋷천안ㅇㅍ+ᕋ밤의달리기천안” 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.