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Climate Change
perspectives from the North
Sea Ice
1979
Summer
Sea Ice
4
NASA
1979 - 1999
average
Summer
Sea Ice
5
NASA
2004
Summer
Sea Ice
6
NASA
2005
Summer
Sea Ice
7
NASA
2006
Summer
Sea Ice
8
NASA
2007
Summer
Sea Ice
9
NASA
2008
Summer
Sea Ice
10
NASA
2009
Summer
Sea Ice
11
NASA
Winter
Sea Ice
Trends
take home messages
Arctic sea ice
- is melting
- is melting fast
- will impact the globe
Atmosphere
Temperature (°C)
Global Mean Temperature
data source: NASA Goddard Institute
Temperature (°C)
Global Mean Temperature
130 year trend
+0.06 °C / decade
data source: NASA Goddard Institute
Temperature (°C)
Global Mean Temperature
50 year trend
+0.15 °C / decade
data source: NASA Goddard Institute
Temperature (°C)
Global Mean Temperature
20 year trend
+0.20 °C / decade
data source: NASA Goddard Institute
New Energy
Storage
Atmosphere
3%
Soil 4%
Ice 8%
Ocean 85%
take home messages
Climate change
- is here
- is significant
- more change is expected
What is the
cause of climate change?
27
28
29
Carbon Dioxide
Modern Data
30
31
take home messages
Climate change
-
is caused by the burning
of fossil fuels
we are all responsible
we need to shift the
energy economy
Energy
Economy
World Oil Prices
$ per barrel
source: US Energy Information Administration
World Oil Prices
$ per barrel
source: US Energy Information Administration
World Oil Prices
$ per barrel
source: US Energy Information Administration
Rough Energy Statistics
Global
Mix
Cost/
kWh
+$50
CO2 Tax
Oil
35%
$.05
$.06 ($.07)
Oil (Bitumen)
Coal
30%
$.04
$.06
Coal
Natural Gas
20%
$.04
$.05
Natural Gas
Nuclear
5%
$.10 - .20
$.10 - .20
Nuclear
Renewables
10%
$.04 - .06
$.04 - .06
Hydro
$.08
$.08
Wind
$.30
$.30
Solar (PV)
sector
end use
Global GHG emissions by sector
gas
source: World Resource Institute CAIT
source: from 2000 including land use (CO2eq)
Canadian Emissions
source: Stats Canada
take home messages
Energy economy
-
cost of fossil fuels is
rising
emissions are rising
we need to shift the
energy economy
Moving forward
john.streicker
@gmail.com
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