Beginning of Essay
? 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 t ....

Middle of Essay
.... record confirms that," says Harte. The grid is divided into ten sections. Each of the ten sections covers thirty square yards of the meadow. The infarared lamps will heat every other section by 2.5 degrees. The unheated sections in between allow researchers to compare the efects of the lamps with the regular state of the meadow. One time a week, Harte will take gas samples from buckets turned upside down for ten minutes at a time on both the heated and unheated strips through fitted nipples at the bottoms of the buckets by syringes, then analyze them with a gas chromatograph. "We'll be able to plot any changes in the meadow very ....