The United States' government has not ratified the Kyoto Protocol of greenhouse gas reduction, but most of the large U.S. corporations are proactively involve in environment friendly measures at home and abroad. About an hundred corporations are member of the Chicago Climate Exchange and the European Climate Exchange, the two functioning carbon credits trading exchanges. The United States is still the largest polluter in the world, contributing 23% of all fossil fuel emissions. Extensive literature review suggests that large U.S. corporations are slow to address the global environment challenges but a majority of them now have a clear understanding of their responsibility. Some of these corporations are actively trading carbon credits on climate exchanges. The purpose of this study is to identify environment friendly measures adopted by large U.S. corporations in their U.S. and international operations.
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