Tag: greenhouse effect

Future energy sources

A lot of attention in Canada has been focused recently on the Kyoto Agreement to limit the emission of greenhouse gases. But scientifically, the goal for preventing possibly catastrophic global warming has been set far higher than Kyoto’s modest reductions. An article in the November 1 issue of Science sets out the challenges. Entitled “Advanced …

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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 …

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