Possibilism is a term which means that environment only limits the number of choices of choices for the person and only human is responsible for all his actions and he has the authoritative power but within certain limits. It was not a one night phenomenon but was a result of series of inventions. The invention of coke further modernized the production means. Invention of fertilizers and pesticides, the modern irrigation methods and the organic farming methods have also contributed to the high output of crops and other products related to agriculture to meet the high food demands across the world. These revolutions have helped humans to make their lives easy and comfortable. These revolutions very clearly show that human activities affect the natural environment.
