Executive Summary With the increasing energy demand, shortening fossil fuel sources in the US and globally, and the rising environmental concerns and greenhouse gas emissions, sustainability becomes the critical principle and challenge in the society. ... Our current society struggles from fossil fuel shortage and pollution, which call for explorations of different types of energy and multiple ways to produce clean energy for daily and industrial uses. ... The consumption of energy accounted for 88% of fossil fuels, including 35% oil, 29% coal and 24% natural gas. Fossil fuels were reported to...

• Word Count: 3194
• Approx Pages: 13
• Has Bibliography
• Grade Level: Graduate