divino silverio is a scientist t oththat team, often tasked climbing high above the tree- line, silverio tracks exactlyatt being lost from deforestation.rere i >> i am n this tower that>>lo allows us to measure how muchca carbon that this forest is assimilating or emitting intoth the atmosphere. r >> reporter: born and raised in the area, silverio is the son of subsistence farmers. >> ( translated ): it was very natural for us to transforna nature, to cut down the forest. that was normal for me.t but what i learned in school helped me have a betterun understandg of then consequences of these types ofti actions, and it's iasortant to eme that agriculture is important to everyone. we have to produce food. t but at the same time, it's alsoo imnt to preserve nature as it is. i r >> reporter: safeguarding the forest doesn't have to come at f the expensericultural development, according torc mercedes bustamente, a biologis and prr at the university of brasilia. b t >> the economic activity that needs more environmentalpr protection is agriculturese itself.ec because when we need water, wene ne