Term "carbon footprint" has become tremendously popular over the last few years. With climate change high up on the political and corporate agenda, carbon footprint calculations are in strong demand. Numerous approaches have been proposed to provide estimates, ranging from basic online calculators to sophisticated Life Cycle Assessments (LCA). Despite its widely use however, there is a lack of information of what exactly carbon footprint is meant to be and what exactly the concept of carbon footprint is. This article was reviewed the background information of carbon footprint and its opportunities and threats on international goods trading, including paddy rice. An opportunity for research in this area in paddy rice production was also proposed. |