• 7 Videos, Slides, Films

• 2 Sustainable development
• 1 City planning
• 1 Conservation of natural resources
• 1 Constellations
• 1 Cosmology
• 1 Environmental aspects
• 1 Environmental policy
• 1 Indigenous peoples
• 1 Organic gardening
• 1 Permaculture
• 1 Research
• 1 Social justice
• 1 Stars
• 1 Sustainable agriculture
• 1 Traditional ecological knowledge
• 1 Urban renewal

• 7 Films Media Group
• 6 TDC Entertainment
• 1 A&E Television Networks, LLC
• 1 Films for the Humanities & Sciences (Firm)

• 7 English

• 1 California
• 1 Outer space

• 7 Internet videos
• 7 Video recordings for the hearing impaired
• 1 Videorecording

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