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, 04:00, July 3, 2008
==Carbon Footprint==
The measurement of carbon dioxide (C02) from human activities that have an impact on climate change, notably the burning of [[fossil fuels]] that release greenhouse gases into the atmosphere.
===Human Intervention===
Intergovernmental Panel on Climate Change produced a report for the International Energy Agency (IEA) states that the cost for reducing human C02 50% by the year 2050 will cost an estimated $45 Trillion dollars.<ref>[http://www.businessgreen.com/business-green/news/2218500/iea-calls-trillion-energy], Businessgreen.com, IEA calls for $45 trillion energy "revolution", June 6, 2008</ref>
Detractors argue that C02 is just a tiny component of the overall mechanisms that causes the climate to change. Human driven C02 is even less a component. <ref>[http://www.canadafreepress.com/index.php/article/1489], CFP, Medieval Environmentalists’ attack CO2, January21, 2008</ref>