The Cool Farm Tool is an online calculator that enables farmers to measure their greenhouse gas emissions, and understand mitigation options for agricultural production. Originally initiated by Unilever, the CFT greenhouse gas emissions calculator is based on empirical research from a broad range of published data sets and IPCC methods. The tool calculates emissions estimates from N2O emissions based on an empirical model built from an analysis of over 800 global datasets. These datasets refine IPCC Tier 1 estimates of N2O emission by factoring in the guiding drivers of N2O emissions such as rate of N applied, soil texture, soil carbon, moisture and soil pH.