Could the Greenhouse Effect Cause More Damage? John Harte is an ecologist from the University of California at Berkley. He is trying to find out whether heat stimulates further trace-gas from solid or not. He is going to conduct an experiment that will tell him if the greenhouse effect could start a cycle that would cause the effects to be worse than already predicted. The experiment will begin December of 1996 and will run for no less than three years. Harte has stretched a twelve foot high grid of cables above 300 square yards of land in a high mountain meadow in the middle of