Keeping the Air Clean

• Author: Natalia Churchill
• Subject: Science and Technology
• Institution Name: University of Hong Kong, Division of I&T Studies
• Collection: Learn Activity (University of Hong Kong)
• Grade Level: Primary, Secondary

• Abstract: This item presents information about alternative sources of energy, using industrial control techniques, and the role of tress and oceans in keeping the air clean. Includes great graphics.

• Course Type: Learning Module
• Languages: English
• Material Types: Readings
• Media Formats: Graphics/Photos, Other
• Technical Requirements: Macromedia

• Conditions of Use: Custom License

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