Question 1. http://www.conserve-energy-future.com/
Question 2. http://www.energykids.eu/what-is-renewable-energy
Question 3. http://www.energykids.eu/what-is-renewable-energy
Questions 4-5. http://www.organiclifestylemagazine.com/green/issue-7/renewable-and-non-renewable-energy-sources.php
Questions 6-7. http://www.conserve-energy-future.com/
Question 8. http://esl.about.com/library/vocabulary/blwordgroups_environment.htm
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