Rising Greenhouse Gas Emissions Underscore Challenges Ahead in International Climate Change Negotiations
On the cusp of the Poznan U.N. Climate Change Conference, data just published by the U.N.’s climate secretariat show that many industrialized nations’ greenhouse gas (GHG) emissions have been rising. The emissions data underscore the difficulties that some industrialized countries are having in meeting their existing emissions reduction commitments under the Kyoto Protocol, which run through 2012, as well as the enormity of the challenge in reaching the deep emissions cuts that many U.N. members say are urgently required. The new data will also likely re-open a longstanding debate concerning the reliability of the various methodologies employed to calculate national emissions levels.
Under Article 4.1(a) of the 1992 U.N. Framework Convention on Climate Change (UNFCCC), all member states are obligated to report, on a periodic basis, GHG emissions from anthropogenic sources and the removal of GHG sinks (such as through changes in land use or forest cover). Pursuant to a series of decisions of the Conference of the Parties to the UNFCCC, the 41 industrialized countries identified in Annex I to the Kyoto Protocol must provide more detailed emissions data on an annual basis. Non-Annex I countries, which include China, India, and other large industrializing countries, are not subject to these more rigorous emissions reporting obligations.
The report, which covers the period 1990 through 2006, confirms that the United States, the EC and Russia remain the largest three Annex I emitters. The report also shows for each of these jurisdictions that, while 2006 emissions represented a slight drop from 2005 levels, those same emissions were somewhat higher than 2000 emissions. The United States remained by far the largest Annex I emitter, at just over 7 billion tons in 2006 (according to some sources, China has now eclipsed the United States as the world’s largest GHG emitter). Total EC emissions were just over 4.1 billion tons, while Russian emissions were 2.2 billion tons. This represented a drop from those countries’ 1990 emissions of 2.2% and 34%, respectively. In contrast, U.S. emissions grew 14.4% over the same period.
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