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SUMMARY:Sustainable Energy - Without the BS (Director's Cut) - David MacKa
 y\, Cavendish Laboratory
DTSTART:20071023T100000Z
DTEND:20071023T110000Z
UID:TALK7984@talks.cam.ac.uk
CONTACT:Ryan Woodard
DESCRIPTION:Energy and climate change – they’re in the news\, they’r
 e ‘huge’. Consumption is huge. Economic growth is huge. Our population
  density is huge. CO2 pollution? Huge! Potential of renewable power? Huge!
  Nuclear power? That’s huge too – and hugely costly to clean up… How
  to fix all these problems? Well\, if only everyone turned off their mobil
 e phone chargers and switched to Powergen's 'Green' tariff\, we’d be wel
 l on our way to a solution. Oh yes\, and let’s remember to drive hydroge
 n-powered cars\, like Arnold Schwarzenegger. That’ll help. And don’t f
 orget magnetic levitation\, that’ll eliminate friction. And if you must 
 burn fossil fuels\, good old BP can _neutralize_ your CO2 emissions if you
  pay them just 6 euros per tonne.\n\nPoppycock.\n\n“Every little bit hel
 ps!”\n\nPoppycock!\n\nTo understand these ‘huge’ issues\, we need nu
 mbers\, not adjectives. And we need numbers that are simple\, human-sized\
 , and memorable. No millions\, no billions\, no Terawatt hours\, no exajou
 les. In this talk I’ll present simple back-of-envelope calculations to s
 ee how our energy consumption stacks up compared with conceivable sustaina
 ble production.\n\nIn this repeat presentation\, I'll recycle material fro
 m the first talk\, add some fresh jokes\, and spend some time discussing p
 lans for 2050 that do add up. \n
LOCATION:British Antarctic Survey\, conference room
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