HOHHOT — China’s largest forest zone earned 400,000 yuan (60,000 U.S. dollars) from its first sale of carbon offset credits Monday. The Chuo’er forestry bureau of the Greater Hinggan Mountain forest in Inner Mongolia Autonomous Region said it sold 40,000 tonnes of the forest zone’s total 1.39 million tonnes of offset credits to an investment management firm in Zhejiang Province. Yu Shiping, an official with the Chuo’er forestry bureau, said carbon offset trade has created a bright future for maintaining and growing the forest.