Word: earths
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Dates: during 1990-1999
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...Will we run out of gas?"--a question we began asking during the oil shocks of the 1970s--is now the wrong question. The earth's supply of carbon-based fuels will last a long time. But if humans burn anywhere near that much carbon, we'll burn up the planet, or at least our place...
Mark Hertsgaard's most recent book is Earth Odyssey: Around the World in Search of Our Environmental Future
...that Malthus was wrong; the population has continued to grow, economies remain robust--and famines in Biafra and Ethiopia are more aberrations than signs of the future. Cassandras reply that Malthus was right, but techno-fixes have postponed the day of reckoning. There are now 6 billion people on Earth. The Pollyannas say the more the merrier; the Cassandras say that is already twice as many as can be supported in middle-class comfort, and the world is running out of arable land and fresh water. Despite a recent slowdown in the growth rate, the U.N. Population Division expects...
...very local ecosystems that had until then been our home. As preagricultural hunter-gatherers, we humans held niches in ecosystems, and those niches, resource-limited as they always were, had indeed kept our numbers down. Estimates vary, but a figure of roughly 6 million people on Earth at the beginning of agriculture is reasonable. By 1798 the population reached 900 million. Agriculture altered how we related to the natural world and, in liberating us from the confines of the local ecosystem, removed the Malthusian lid in one fell swoop...
...when he wrote 200 years ago, Malthus was wrong. He did not see that nations are not like ecosystems, that people could expand into new regions and, with the burgeoning technology of the Industrial Revolution, become vastly more efficient at producing food and wresting raw materials from Earth...