There are four elements that the world has. They are water, air, fire and earth elements. Do you know their purpose to mankind? If not, then you will be informed right away with the help of this article. Water element is responsible for all the water resources that the world has. Air or wind pertains to the air we breathe that gives us life on a daily basis. Fire element pertains to resources that enable to give heat and light to mankind. Earth element pertains to be environment or land that we live in.