Solar acquatics : John Todd and Chris Dunn / produced by Mary Pat Fisher.

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.