ABSTRACT

Natural Gas marketers have noted a significant decline in the coldness of North American winters and a consequent falling off in winter gas consumption during the 1980's. This paper explains the scientific basis for the greenhouse effect and shows the increases in CO₂ concentrations and average global temperature. It explores the historic role of CO₂ in climate changes, particularly the ice ages, and explains why the greenhouse effect is exaggerated during North American winters. It provides a forecast of future warming.

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Degree day data for major centres showing significant gas consumption declines are presented. The added impact of the El Nino Current on the gas market, particularly the California market, is also explained.

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