Unformatted text preview: from the Quarry is another green house gas contribution. As mention in the handout, production of concrete creates significant CO2 emissions. Packaging and distribution creates more CO2 green house gas contributions. The method of disposal is the most important environmental decision of the life cycle of concrete. Recycling concrete slows down the pace of landfill operations, reduces the need for new raw material, and helps reduce green house gas emissions. Exercise 3: Homework 5 Tracy Crushed on site and transported to refinery Used: Mix cement with sand, water, and gravel to make concrete....
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- Fall '09
- raw material, Methane, Construction aggregate