Cracks in the city of glass

The ascension of the clear glass tower, first seen in Chicago in the 1950s, is slowing.

Architects and buyers have complained of how boring glass towers have become. Planners and sustainability experts wring their hands about the lack of energy efficiency – glass, after all, is the poorest insulating building material around.

And soon, new codes with heightened environmental standards will force builders to limit the amount of clear glass on the exterior, according to an April 19 article in The Globe and Mail.

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