1. TOP 10 Green U.S. Cities

2. Clean Technology

10. The Production and Consumption Cycle of Biofuels

12. EPA Environmental Protection Agency sets and enforces rules and standards that protect the environment and control pollution Air and water quality Efficient recycling and management of waste Percentage of LEED-certified buildings Acres of land devoted to greenspace Use of renewable energy sources Easy access to products and services that make green lifestyle easy

13. BUYING LOCAL

19. LEED-certified Leadership in Energy & Environmental Design

20. LEED Green building certification program http://www.kjww.com/project?id=08.0523.00 http://www.archdaily.com/61986/metea- valley-high-school-dlr-group/

21. The Sun Is to Blame Or Are We to Blame?

22. Expansion Expansion of the Sun