What has changed since the second edition of ''Energy, Plants & Man'' was published in l992? The CO2 content of the atmosphere has continued to rise, the population of the world has continued to grow, and the Antarctic ice cap has continued to retreat. There are more vehicles on our roads and more garbage to dispose of. One President Bush has gone and another has arrived. Naturally this latter is not without significance. The United States continues to contribute much more CO2, per capita, than any other country and George W Bush is no more inclined to constrain this than his father. The Kyoto agreement, intended to limit CO2 emissions to an extent which the scientific community would still regard as woefully inadequate has nevertheless not been endorsed by the United States and has therefore lost most of its value.
Author: David Alan Walker
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