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 “ⓕ고양휴게텔[bam2.net]+ᓢ고양놀이터+ꉈ휴게텔초이스+⒫고양휴게텔+ᚒ추천휴게텔+ஃ밤의달리기+ꄟ고양건마+ᕪ고양휴게텔순위+១고양레깅스+ε밤의달리기” 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.