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Climate Change Requires Profound Transformation of Energy Sector IEA
World leaders gathering in Copenhagen next month for the UN Climate summit have a historic opportunity to avert the worst effects of climate change, said Nobuo Tanaka, Executive Director of the International Energy Agency in London at the launch of the World Energy Outlook 2009 a few days ago.
The longer we wait, the more difficult and expensive it becomes to achieve the greater and greater cuts that are necessary to keep worldwide temperature rise to 2 degrees Centigrade or a 3.8 degrees Fahrenheit global average.
2 C is the least we can realistically hope and aim for now. This would be less disastrous than the 4 C or the completely catastrophic 6 C (10.8 F) average worldwide temperature rise we would headed for under a business-as-usual continuation of current overall trends in carbon emissions, the agency has warned.
The agency has estimated that to keep us within sight of a global average temperature rise of 2 C it will take $10 trillion in investment in renewable energy from now till 2030.
Every year of delay before switching to a 2 C emissions goal adds another $500 billion to that $10 trillion total global investment cost, the IEA study finds. In other words, the longer we put off a serious switch to renewable energy and efficiency, in the form of tough legislation; the more expensive it will be to fund the change.
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