• 7 Videos, Slides, Films

• 2 Climatic changes
• 2 Conservation of natural resources
• 2 Renewable energy sources
• 2 World Wide Fund for Nature
• 1 Air
• 1 Air pollution
• 1 Carbon
• 1 Cleanup
• 1 Environmental protection
• 1 Environmental sciences
• 1 Green technology
• 1 Oil spills
• 1 Pollution prevention
• 1 Space shuttles
• 1 Water

• 4 Nicholas, Damian
• 4 Thompson, Andrew
• 2 Alexander Street Press
• 2 Bartlett, G. (Gillian)
• 2 Bartlett, Gillian
• 1 Clark, Evan
• 1 Keogh, Chris

• 7 English

• 1 Abū Ẓaby (United Arab Emirates)
• 1 Thailand

• 2 Internet videos
• 2 Short films

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