Dr. Walter Orr Roberts: Living With the Greenhouse Effect

Dr. Walter Orr Roberts discusses the greenhouse effect, the pollution produced by nuclear power plants, automobiles, underground water supplies and chemical by-products are staggering and frightening.

The Plowboy Interview: Dr. Walter Orr Roberts discusses living with the greenhouse effect.
The Plowboy Interview: Dr. Walter Orr Roberts discusses living with the greenhouse effect.
Photo by the MOTHER EARTH NEWS staff