CK-12 Foundation
Ck 12: Earth Science: Wind Power Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about wind energy. Includes a few questions to check for understanding.
Other
Union of Concerned Scientists: Science for a Healthy Planet and Safer World
The official website for Union of Concerned Scientists provides information on environmental issues and suggestions on actions people can take to curb environmental harm.