Agriculture has been part of men history for thousands of years. It created permanent settlement as opposite of a nomadic living and made possible the sustenance of large population. Agriculture replaced the hunting way of life and further on, created large cities, civilizations and other complex societies. We always tried to improve our techniques by trial and error, and in the past two hundred years, our agriculture knowledge and new equipment made possible much higher productivity. In some cases, the improvement on technology for agriculture has almost reached his limit. While having the finest equipment, we try to accelerate production by manipulating genetic.

The supply and demand model is one of the first concepts we learn in economy. It shows the interaction of buyers and sellers in a market, and defines the correct price and quantity for a certain good. Following the price line and the quantity on the graphic, we see that the price and quantity converge to an agreement. The point of intersection between the two curves is the adjusted price and quantity for a good.

Life on earth combines an amazing 40 millions different species. Insects, animals and vegetation normally spread in areas where their morphology can deal with the climate and where they can better feed themselves. This is known as the ecological niche and it can be destabilized.

In the 18th century, the famous French scientist Lavoisier stipulates that “rien ne se perd, rien ne se crée, tout se transforme”, which can be translated by “nothing is lost, nothing is created, everything transforms”. The core of the sentence means that no element is created out of nothing and none of it disappears. Natural elements on this planet are 100% used and reused.