So, after Copenhagen came gatherings in other cities, very few, and suddenly, a series of changes in the composition of the atmosphere permanently transformed the climate, which had been until then signals to governments that never did pay much attention … Life on Earth became unsustainable: natural disasters, famine, drought, war and the human race was not prepared to flee a planet that had led to ruin. We arrived after many generations. We are… How will define the earthlings? Ah, yes! Scavengers. And in this dead planet there is much, much carrion. Thanks, humans!