Roberto De Vivo: graduated at the age of 25 at the University of Naples "Federico II" in Science and Technology of Animal Production, and then obtained post-graduate specialization at the University of Milan in nutrition and nutrition of ruminants. Teacher of Chemistry and Microbiology in a secondary school and zootechnical consultant. Author of some scientific publications and presented studies on the issue of greenhouse gas emissions from animal farms in some conferences, in European and world contexts.