Luiz Augusto Horta Nogueira is Professor at the 'Universidade Federal de Itajubá', Brazil : "Now, it's time to plant energy"

Seth Shames, Policy Programme Manager at the Washington-based Non-Governmental Organization 'Ecoagriculture Partners' : "Increasing the livelihoods of small farmers is essential", he likes to tell policy-makers in East Africa and Central America.