The pros and cons of building a city of glass

Energy Management Association of New Zealand chief executive Ewan Gebbie said the increase in "floor-to-ceiling" glass buildings in Christchurch represented a failure to heed basic energy-efficiency advice.An artists impression of the new OLT $100 million glass- wrapped complex replacing the Triangle Centre in Christchurch's City Mall. The rebuild was an unprecedented opportunity for a "trailblazing" effort to convert to buildings that were cheaper to run and better to work in, he said.However, many of the commercial buildings going up had missed an opportunity to create a more sustainable building stock.

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