Business Green: The Clean Development Mechanism (CDM) is not fit for purpose and must be reformed if global emissions reduction targets are to be met, according to senior banking leaders gathered at this week’s World Future Energy Summit in Abu Dhabi. Caio Koch Weser, vice chairman of Deutsche Bank group and a former German minister, led the criticism of the UN-backed carbon trading scheme, which allows businesses and governments in developed countries to invest in emissions reduction schemes in the …