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OPEC and climate change / Eric Tham,  IAEE Energy Blog, 29/04/2011http://blog.iaee.org/?p=2182Being  the major producer of fossil fuels which are the single important  contributor of carbon emissions, OPEC role in climate change is pivotal.  The key to reducing greenhouse emissions is the use of renewable and  alternative energies and less use of polluting fossil fuels. Whilst OPEC  has to ensure the future profitability of its oil revenue, it at the  same time wants to be perceived as an advocate of climate change issues...