With the population of 7 billion people living on planet Earth – and that number could increase tenfold in the coming decades – the dwindling resources of our world become a major concern, for the poor as well as the rich nations. Scientists warn of incoming famine of unprecedented proportions; water is the next gold and resource to be fighting for. Humanity demands more and more, but will mankind be able to survive at time when resources we grew used to come to an end? We discuss these perils with prominent environmental analyst, founder and president of Earth Policy Institute. Lester Brown is on Sophie&Co today.