Green Roofs for Healthy Cities (GRHC), the North American green roof and wall industry association, is delighted to congratulate San Francisco on its policy leadership. Supervisor Scott Wiener introduced legislation on September 6, which was unanimously approved by the San Francisco Planning Commission yesterday, that builds on their existing solar roof mandate. This makes San Francisco the first city in the U.S. to require green roofs and/or solar panels on new construction projects. “Rooftops are one of the last untapped environmental resources in our growing city, and we need to be strategic about how we activate these spaces,” said Wiener. The new legislation will allow owners and developers the option of building 30% of roof space as green roofs, or a combination of green roofs and solar panels. The proposed ordinance builds on legislation requiring 15% roof space to be set aside for solar panels adopted earlier in 2016, and allows owners and developers to implement two square feet of green roofs instead of one square foot of solar panels if they wish.
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