Preview | Michael Renner

Buildings are among the biggest users of energy, water, and materials, and they contribute substantially to greenhouse gas emissions. Cities are stepping up their efforts to reduce the environmental footprints of buildings. Not only have green standards and rating systems proliferated, but so have the number of city policies that encourage or mandate more-sustainable practices. For both new and existing buildings, these can guide and drive the transition toward greater efficiency in the use of energy, water, and materials.

Green building markets are undoubtedly expanding. But fundamental questions remain: Are current trends and policies enough? Are they getting the cities of the world onto a collective trajectory that will prove adequate in the face of the immense climatic challenge?

“Municipalities can steer the builders, owners, and users of old and new buildings in greener directions.”

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