Help me to correct an essay

Topic: The destruction of the world's forests is inevitable as our need for land and food grows.

According to a study made in 2014 by the University of Virginia, on 2050 the amount of people in the world would be 200% more than the actual amount. Since the origin of civilization in Sumeria, the humanity has worked hard to evolution like humans, with new technologies, knowledge, etc. But in the process to do this, the population had to grow in amount like a natural process of living beings. Therefore, humans not just increased in number, they also used more territories of the world. Then, by the reasons of the natural process of taking new territories and to ensure the evolution of humans, the destruction of the world's forests is something necessary to happen.

First of all, if the world's forests are not destroyed, each person would have not the necessary space by living in one world with other seven billion persons because they would not have enough space to build houses, supermarkets, institutions and all the diverse buildings needed in the actual world. Also, even if there are just the necessary number of constructions to survive, the space that takes off just the natural elements from geography like trees or green zones are enough to don't let the human live in the planet. Furthermore, in relation with other studies from the University of San Francisco made in 2012, the humanity would not have grown as much as it has done until 2015 if there weren't exist constructions.

Secondly, since Prehistory the human have tried to evolution in every aspect. For example, changing a rock's weapon by a lance or to construct ancestral houses build with basic materials like wood and straw, which many years later will form enormous civilizations such as Egypt. Therefore, the destruction of the world's forests is necessary because the basis of any civilization are the constructions made by the civilization. The reason is because without constructions there is no evolution and without evolution, there's no civilization. For instance, to have a better medicine there have to be more hospitals first or to improve education there have to be more schools.

Therefore, to let the natural and necessary process of taking new territories happen and at the same time, reach the evolution of our species, the destruction of the world's forests is very important to happen.