Double crops, agricultural techniques characterised by minimum tillage, fertirrigation and natural soil enrichment methods: farms that follow the production strategy promoted by CIB’s (Italian Biogas Consortium) Biogasfattobene model (“Biogas done well”) not only improve the levels of biodiversity, quality and soil nutrients, but can also become “carbon negative”. Technologies used in biogas plants can indeed actively capture carbon (in the form of cultivated additional biomass) and store it in the soil through the use of digestates such as bio-fertilizer, thus accumulating more CO2 than produced.