This was sent 9 hours ago and did not show up, so I'll try it again.
From:
http://www.guardian.co.uk/science/story/0,,1659469,00.html
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In 2003, the biologist Jeffrey Dukes calculated that the fossil fuels
we burn in one year were made from organic matter "containing 44 x
10^18 grams of carbon, which is more than 400 times the net primary
productivity of the planet's current biota". In plain English, this
means that every year we use four centuries' worth of plants and
animals.
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Does this data look right?
Horace Heffner
