Maybe 100 years from now, the world will change completely. But the change will not be an advantage at all. Because then everyone will be desperate to save a tree, not people. Then everyone will learn to understand the value of a tree! Why trees are so important to us. I don't know, maybe the world will be destroyed then. Humans will leave Earth and start living on Mars. And will send robots to the earth to find trees. who knows. Earth will be movie like Wall-E #Photography