October 17, 1988 (vol. 99, iss. 28) • Page Image 3
…Carbon dioxide threatens climate BY VERA SONGWE Although the greenhouse effect is a natural phenomenon, the presence of carbon dioxide in the atmosphere only serves to hasten abnormal tem- perature swings, a University pro- fessor said Friday. Prof. Don Portman of the Atmo- spheric and Oceanic Science Depart- ment said there has been an ex- ponential increase in carbon dioxide emissions due to the burning of fos- sil fuels and cement by indust...…

















































