UN defends American attack on carbon trading scheme
9 Dec 2008

The UN’s top climate official has defended a global trading scheme to reduce greenhouse gas emissions after the US government released a report questioning its efficacy.
The General Accounting Office (GAO), the investigative arm of Congress, published a report analysing the UN’s Clean Development Mechanisms, arrangements under the Kyoto Protocol that allow rich countries to meet their commitments to cut greenhouse gases by investing in projects – such as a wind farm or a reforestation program – that reduce emissions in poorer countries.
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