How Zurich Blazed a Trail for Recycled Concrete

Zurich, Switzerland's largest city, is paving the way for sustainable building. Concrete is a major contributor of climate change due to the process it requires to make it. Zurich is making steps to reduce its use. A school building was constructed in 2002 with 80 percent recycled concrete. Three years later city officials passed a requirement that required all publicly-owned buildings to be made with recycled concrete and in 2013 ordered the use of CO2 reduced cement. According to a study the effort has saved 17,000 cubic meters of virgin materials.

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