Business Green: The United Nations is claiming its Clean Development Mechanism (CDM) is causing a boom in emission-saving initiatives around the world. The CDM regulates approval of projects that allow developed nations to offset a part of their own carbon emissions by investing in carbon-reducing projects in the developing world. The U.N. Environment Programme (UNEP)’s year-end snapshot of CDM projects revealed that all regions had massively increased the number of projects between 2004 and …