Inter Press Service: Critics of carbon trading, a strategy meant to combat global warming, say the buying and selling of carbon credits is being exploited. “CDM (the Kyoto Protocol’s Clean Development Mechanism) was never meant to be a cash cow, but meant for developed countries to reduce their emissions. “But this is now being abused. They changed the original intention of CDM. Now it’s business against environment,” lamented Margaret Mukahanana, permanent secretary of national resources …