• Forests of the World Series: Forests Forever (1993)
• Forests of the World Series: High Tech Trees (1993)
• Forests of the World Series: Life and Death (1993)
• Forests of the World Series: Managing Our Resources (1993)
• Forests of the World Series: Renewal through Recycling (1993)
• Forests of the World Series: The Power of Green (1993)
• Forests of the World Series: Trees of Life (1993)
• Forests of the World Series: Who Owns the Forests? (1993)
• Life in a Lake (1992)
• There Are Alternatives (1987)

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