* Says newer plants less efficient than older ones under CDM
* Warns against suspending CDM methodology before int’l pact
* CDM Watch says World Bank protecting its investments
LONDON, Aug 23 (Reuters) – The World Bank has defended its investment in chemical plants accused by green groups of raising production of greenhouse gas HFC-23 with the aim of incinerating it to get extra carbon offsets worth millions of dollars. Approved under the Kyoto Protocol’s $2.7 billion Clean Development Mechanism (CDM) scheme, 19 plants mainly in China and India are issued offsets by the UN for incinerating the refrigerant waste gas called hydrofluorocarbon-23.
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