Activities such as tilling of fields, planting of crops, and shipment of products cause carbon dioxide emissions. Agriculture-related emissions of carbon dioxide account for around 11% of global greenhouse gas emissions. As per the national GHG inventory, the agriculture sector emits 408 MMT (million metric tons) of CO2 equivalent. Rice cultivation is the third highest source (17.5%) of GHG emissions in Indian agriculture after enteric fermentation (54.6%) and fertilizer use (19%). These activities may include shifting to conservation tillage, reducing the amount of nitrogen fertilizer applied to crops, changing livestock and manure management practices, and planting trees or grass. In India, 68.7% percent of GHG emissions come from the energy sector, followed by agriculture, industrial processes, land-use change and forestry, and waste which contribute 19.6 percent, 6.0 percent, 3.8 and 1.9 percent relatively to GHG emissions. Agricultural activities from crops and livestock production release significant amounts of non-CO2 emissions such as methane and nitrous oxide, both powerful greenhouse gases, totaling 5.3 Gt CO2eq in 2018, with livestock production contributing two-thirds of this total. Livestock and livestock-related activities such as deforestation and increasingly fuel-intensive farming practices are responsible for over 18% of human-made greenhouse gas emissions, including: 9% of global carbon dioxide emissions. 35–40% of global methane emissions. Greenhouse gas emissions, or GHGs, are a group of gasses that create a greenhouse effect in the atmosphere. They accumulate, trapping heat and reflecting it back to the planet's surface. This additional heat is absorbed in land and particularly in water, creating an overall increase in global temperatures over time. n contrast, no tillage led to lower emissions of CO2 (15.1%), N2O (7.5%), and CH4 (19.8%), and lower total GWP of these three GHGs compared with conventional tillage, with no effect on CH4 uptake or crop yields.