Posted on 06/11/06
SOCIAL STUDIES
Badneighbours?"Humans are undoubtedly the most dominant species the Earth has ever known," says the New Scientist. "In just a few thousand years, we have swallowed up more than a third of the planet's land for our cities, farmland and pastures. By some estimates, we now commandeer 40 per cent of all its productivity. And we're leaving quite a mess behind: plowed-up prairies, razed forests, drained aquifers, nuclear waste, chemical pollution, invasive species, mass extinctions and now the looming spectre of climate change. If they could, the other species we share Earth with would surely vote us off the planet."
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