Transcript Climate Change Case

Global Warming
Bruno Tremblay
McGill University
[email protected]
Global Temperature
Land Ocean Index
Surface Air Temperature Anomalies
Winter 2007
Yearly Mean SAT Anomalies
2001-2006
Hockey Stick
Temperature
Vostok
Temperature – CO2 – CH4
Vostok
Temperature – CO2 – CH4
Vostok
Temperature – CO2 – CH4
Vostok
Last
Glacial
Maximum
Simulated Annual Global Mean
Surface Temperatures
Climate Change
2001: The
Scientific Basis,
Houghton, J.T., et
al. (eds.),
Cambridge Univ.
Press,
Cambridge, 2001
Forced Model
simulations
Simulated Annual Global Mean
Surface Temperatures
Climate Change
2001: The
Scientific Basis,
Houghton, J.T., et
al. (eds.),
Cambridge Univ.
Press,
Cambridge, 2001
Forced Model
simulations
Simulated Annual Global Mean
Surface Temperatures
Climate Change
2001: The
Scientific Basis,
Houghton, J.T., et
al. (eds.),
Cambridge Univ.
Press,
Cambridge, 2001
Forced Model
simulations
Climate
Forcing
and
Temperature
change
st
21
Century Global Warming
Target for Future Warming

Warming of 1 degree Celsius when compared to
today
Target for Future Warming
Kyoto - Copenhagen

Kyoto: 5.2% reduction compared to 1990 level
Legally binding
 Not signed by all


Copenhagen: 2 deg C reduction compared to
today
Sign by all
 Non-binding
