 Already millions families implemented these methods, and the average territory covered with trees in the farms in Sahel increased to 16%.The agricultural sector is a driving force in the gas emissions and land use effects thought to cause climate change.In addition to being a significant user of land and consumer of fossil fuel, agriculture contributes directly to greenhouse gas emissions through practices such as rice production and the raising of livestock; according to the Intergovernmental Panel on Climate Change, the three main causes of the increase in greenhouse gases observed over the past 250 years have been fossil fuels, land use, and agriculture.