The science is clear that there is an increase in the amount of CO2 in the atmosphere. What is not clear from the science is how much of that increase is caused by human activity; and what also is not clear is what impact those increases have on the climatic cycle.
Milwaukee Magazine, vol. 13, no. 4 (April 1988) (Pregnancy in High School; Jim Sensenbrenner's Solitary Days in Congress; Spring Fashions; Wisconsin Weekends; Dining Guide)