Preparing for and staging the 2012 London Olympics will lead to greenhouse gas emissions of 3.4 million tonnes of carbon dioxide equivalent - a tiny fraction of total UK emissions over that period.rnThe figure comes from a study for the Olympic Delivery Authority (ODA). It is the most comprehensive footprint compiled for an Olympic games and one of the first for a major construction project.Covering the period from London's winning bid in 2005 through to the Paralympics closing ceremony in 2012, it shows that more than 60% of the associated emissions come from the manufacture and transport of construction materials.
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