The United Nations’ market for carbon trading will soon be open for business. Approved at the U.N. climate conference in Baku, Azerbaijan, last month, it will for the first time give the U.N.’s seal of approval to large-scale trading of carbon credits between nations. …At the front of the queue for selling credits is Indonesia, whose newly elected populist president Prabowo Subianto is reportedly planning to generate billions of dollars in revenues through bilateral deals to sell credits generated in his country’s vast rainforests. …Critics say the new trading market, which is expected to launch as soon as next year, is wide open to the bad carbon accounting and outright fraud that has bedeviled recent company-to-company “voluntary” trades and to double-counting of credits, making a mockery of efforts to slash global emissions.