Albert Einstein, a pioneer in many things, also said "nothing increase both the chance of survival on Earth as the transition to a vegetarian diet. (...) I only with its physical influence on the human temperament, the vegetarian lifestyle could positively influence the fate of humanity . " Leading by example he followed a vegetarian diet for the past years of his life. Few heeded him, quite the opposite, and now, in 2010, witnessing a depletion of the Earth, and a global economic crisis that we are not learning any lessons. How long will this unsustainable form of production? How long will this consumerism predator who cheerfully leads to collapse and annihilation of biodiversity?