In Six Degrees*, Mark Lynas quotes Jeffrey Dukes' calculation that an average US gallon of gasoline requires:
'approximately 90 tonnes of precursor plant material in the process of its formation in ancient oceans (think of that every time you fill your tank).'
So, if you drive from London to the Edinburgh Fringe this year, and most British actors live in London (it's the voice-overs), you will get through about 1,350 tonnes of precursor plant material each way.
*p260
Country diary: Holding our breath as we watch the bearded tits | Jamey
Douglas
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*Boyton and Hollesley Marshes, Suffolk:* Today these wide open skies give
us so much – not least a spoonbill – but there are also great rewards
closer to...
2 hours ago
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