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SUMMARY:Geoengineering the Climate: Professor John Shepherd - National Oce
 anography Centre\, University of Southampton
DTSTART:20100218T171500Z
DTEND:20100218T183000Z
UID:TALK22992@talks.cam.ac.uk
CONTACT:Sarah Greaves
DESCRIPTION:The climate change we are experiencing now is caused by an inc
 rease in greenhouse gases due to human activities\, including burning foss
 il fuels\, agriculture and deforestation. There is now widespread belief t
 hat a global warming of greater than 2 degrees C above pre-industrial leve
 ls would be dangerous and should therefore be avoided. However\, despite g
 rowing concerns over climate change\, global CO2 emissions have continued 
 to climb. This has led some to suggest more radical "Geoengineering" alter
 natives to conventional mitigation via reductions in CO2 emissions.\nGeoen
 gineering is deliberate intervention in the climate system to counteract m
 an-made global warming. There are two main classes of geoengineering\; dir
 ect carbon dioxide removal\, and solar radiation management\, which aims t
 o cool the planet by reflecting more sunlight out to space. This talk will
  summarise the findings of a recent review of Geoengineering carried-out b
 y the UK Royal Society\, discussing the climate effects\, costs\, risks\, 
 and research and governance needs for each approach.\n
LOCATION:Buckingham House Lecture Theatre\, Murray Edwards College\, Hunti
 ngdon Road\, Cambridge CB3 0DF
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