Edward Willett

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The greenhouse effect

Presumably, by now, you've heard of something called the "greenhouse effect." (If you haven't, we'll pause briefly while your next-of-kin checks to see if you're still breathing.) The term "greenhouse effect," as usually used today, refers to the predicted gradual warming of the Earth due to an increase in various gases in the atmosphere, primarily due to man's activities. There is considerable debate as to just how serious this warming is going to be--and whether it has begun yet. (Despite the warmth of the '80s in our part of the world, the most recent and most accurate study of the Earth's temperature, carried out by satellites over the last decade, shows no evidence ...

Posted by Edward Willett at 17:20, June 19th, 1991 under Blog, Columns, Science Columns | Comment now »