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California is going net zero

Green-built design by Zoka Zola The California Energy Commission would like all residential buildings to be "net zero" by 2020 and commercial buildings by 2030. What does that mean? That although green built buildings could use some fossil fuels to power their lights, furnaces, and refrigerators, owners would have to offset that energy use by purchasing renewables. The inspiration? Ed Mazria's Architecture 2030 Challenge. The goal: For Californians to be living entirely off the grid in just over ten years. Read the report here.

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