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The Colossal Footprint of Concrete goes Beyond Just Its Carbon

by LiveModern Webmaster last modified Jan 04, 2012 02:13 AM
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by last modified Apr 25, 2011

Images from Highland Group Slideshow, Open House, April 12 When one complains about the environmental footprint of concrete, the main issue is usually the carbon footprint that comes from the production of cement. But cement is only about 15% of concrete; the rest is aggregate, the rock that the cement binds together. As this slide from The Highland Companies shows, concrete and aggregate is a big part of infrastructure. And just north of Toronto, in Melancthon, the company wants to dig a honking big hole covering 2,316 acres, over 200 feet below the water table, to supply aggregate to the Greater Toronto Area.... Read the full story on TreeHugger






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