The lack of sustainability and irresponsibility, emanating from the Grasshopper Generation, will not only make economic and environmental problems unbearable, but will also strictly limit everything in life, which will lead to limiting the capacity for development due to the dominance of financial debts and the reduction of ecological debts. The world is entering a new era, called the “Energy-Climate Era”, due to human activities associated with their trends, which have led to the convergence of global crowding, global warming and global flattening. Global crowding can give rise to unmanageable problems unless something is done dynamically. Initially, the world population is rapidly expanding. According to statistics, there are 6.7 billion people sharing the planet. Over the next 43 years, by 2053, there will be more than nine million people on the planet, an increase of between 40% and 45%. On the one hand, this global population growth occurs in smaller cities. Therefore, most of the world's population will live in smaller cities. Accordingly, the number of smaller cities...