provide explanation

3. Question 2.11 ( Rubin's book) Investigate the estimated resource base of world energy supplies of either crude oil or natural gas (choose one). One useful website is the Energy Information Administration of the U.S. Department of Energy (www.cia.doe.gov). Comment on when or whether we might be "running out of this non-renewable resource based on current estimates. Also discuss whether the environmental implications of future energy resource extraction might change because of the location or difficulty of exploiting the remaining reserves. Summarize your findings in a brief report