... to keep the last great forests intact. Switching to renewable energy sources means sound alternatives to coal, oil, and gas such as solar energy, wind energy, alternative fuels for engines, hydro-electricity, and biomass energy (the burning of sustainable natural fuels). We need to become more energy efficient with lighting, heating, travel and other everyday usages. We need to prevent further ... ...

• Word Count: 2775
• Approx Pages: 11
• Grade Level: Undergraduate