In a few short decades humanity has completely upset the balance of the planet, created by more than four billion years of evolution. We are paying a high price, but it is too late to change this? Humanity has had ten years to reverse this trend. To realize the extent to which it has damaged the Earth, and to change its consumption patterns. Yann Arthus-Bertrand shows us pictures from more than fifty countries, laying the foundation stone for the building that we should all build together.