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![Carbon footprint in agriculture sector: a literature review](https://image.oaes.cc/1961856c-f770-4ab4-9cd4-fbc32b1b6f38/202329.fig.1.jpg)
Figure 1. Procedure of carbon footprint measuring based on LCA. Notes: 1. LCI includes life cycle material input and corresponding greenhouse gas output. 2. LCIA converts gases with different greenhouse effects into emissions equivalent to the greenhouse effect of CO2.