On the other hand, natural resources can be harmful for both people and the environment. This who disadvantages such as oil and gas extraction is the process which causes pollution and destroys the marine life. Also, it makes water polluted with chemicals and harmful gases." Mr. Acosta said that he would rather the oil companies did not destroy natural riches. His idea was to leave oil underneath in return for compensation for the companies" (Dummette, 2011.p 84). To this extent, some countries were carful not to destroy their nature despite of the wealthy petrol or gas. Using these resources also causes global warming which increase the temperature on the earth. So, these resources are sometimes harmful more than useful.