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 “ꎺ남양주오피[bam2.net]밤달폭주+ꏬ남양주휴게텔+㌩남양주밤달+◇남양주오피+ꇊ남양주즐길거리+ㅀ남양주풀사롱+ꏑ남양주육덕미녀+…남양주오피+ᙑ남양주밤달오피+ᚋ남양주입사방” 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.