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SUMMARY:Sustainable Energy - Without the Bullshit - Prof. David MacKay\, P
 hysics Dept
DTSTART:20061026T190000Z
DTEND:20061026T203000Z
UID:TALK5747@talks.cam.ac.uk
CONTACT:Stephen Stretton
DESCRIPTION:Energy and Climate change - they're in the news\, they're 'hug
 e'. Consumption is huge. Economic growth is huge. Our population density i
 s huge. CO2 emissions? Huge! Potential of renewable power? Huge! Nuclear p
 ower? That's huge too - and hugely costly to clean up...\nHow to fix all t
 hese problems? Well\, if only everyone turned off their mobile phone charg
 ers\, we'd be well on our way to a solution. Oh yes\, and let's remember t
 o drive hydrogen-powered cars\, like Arnold Schwarzenegger. That'll help. 
 And don't forget magnetic levitation\, that'll eliminate friction. And if 
 you _must_ burn fossil fuels\, good old B.P. can *neutralize* your CO2 emi
 ssions if you pay them just 6 euros per tonne. \n\nPoppycock.\n\n"Every li
 ttle helps!"\n\nPoppycock!  \n\nTo understand these 'huge' issues\, we nee
 d *numbers*\, not adjectives. \nAnd we need numbers that are simple\, huma
 n-sized\, and memorable. No millions\, no billions\, no Terawatt hours\, n
 o exajoules.\nIn this talk I'll present simple back-of-envelope calculatio
 ns to see how our energy _consumption_ stacks up compared with conceivable
  _sustainable production_. \n
LOCATION:Bateman Auditorium\, Gonville and Caius College\, CB2 1TA
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