• 2 Steenbock Library

• 2 Videos, Slides, Films

• 2 Agricultural ecology
• 1 Economic aspects
• 1 Effect of human beings on
• 1 Environmental aspects
• 1 Environmental degradation
• 1 Environmental policy
• 1 Green movement
• 1 Nature
• 1 Organic farming
• 1 Stream ecology
• 1 Urban ecology (Sociology)

• 1 Institute for Food and Development Policy (Oakland, Calif.)
• 1 Kibben, Jaime
• 1 PBS Home Video
• 1 Screenscope, inc
• 1 South Carolina Educational Television Network
• 1 Weiner, Hal
• 1 Weiner, Marilyn

• 1 English
• 1 Spanish

• 1 Cuba

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