Trade creates a mechanism for consumers to shift environmental pollution associated with their consumption to other countries. Applied an input output approach, the article estimates the amount of CO2 embodied in Sino-U.S. Export trade during 2002-2009. It was found that the CO2 emissions of China's top ten export goods constitute over 75% of CO2 emissions of all export goods, and the most carbon-intensity export sector is office machines and automatic data-processing machines. miscellaneous manufactured articles, and telecommunications and sound-recording and reproducing apparatus and equipment; in addition, the less carbon-intensity export sector is textile yarn, fabrics and related products, furniture, and parts thereof; bedding, mattresses, mattress supports. cushions and similar stuffed furnishings, and articles of apparel and clothing accessories.