Ongoing series of interviews with individuals from around the world who are responding to the earth's ecological problems. This program features the views of John Todd, a visionary scientist and founder of Ocean Arks International; and Chris Dunn, from Ecological Engineering Associates. Todd discusses a natural-like system of plants, fish, algae and snails to purify sewage. Dunn describes the differences between this new approach and conventional sewage treatment.|SOLAR AQUATICS : JOHN TODD AND CHRIS DUNN / produced by Mary Pat Fisher. - SERIES: Earthcare| no. 1 Ongoing series of interviews with individuals from around the world who are responding to the earth's ecologial problems. This program features views from Todd, a visionary scienties and founder of Ocean Arks International, and Dunn, from the Ecological Engineering Associates. Todd discusses a nature-like system of plants, fish, algae and snails to purify sewage. Dunn describes the differences between this new approach and conventional sewage treatment. RECORDED: 1990.
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