energy, greenhouse gas emissions, and climate change
TRANSCRIPT
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Energy, Greenhouse Gas Emissions, and Climate Change
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“Warming of the climate system is unequivocal (leaving no doubt)”
Intergovernmental Panel on Climate Change
(IPCC) 2013
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“Human influence on the climate system is clear.”
IPCC 2013
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• Weather is what it’s like out today, or this week, or even this year
• Climate is the pattern of weather over years
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Shrinking Glaciers
Athabasca Glacier
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More powerful storms
Hurricane Sandy 2012
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More frequent flooding
Calgary 2013
Melville 2014
Image:Government of Saskatchewan
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Longer droughts
California 2014Image: Janet Davidson CBC News
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More forest fires
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More, hotter, heat waves
Russia 2010
Canada 2012
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• more intensive rainfall - causes more frequent and more serious flooding
• greater risk of more serious droughts • loss of at least the southern part of the boreal forest
• reduced river flows … shrinking glaciers
Climate Change in Saskatchewan
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• Warmer, wetter weather increases smog production, mould, pollen and fungal spores
• Milder winters reduce winter peak deaths• Hotter summers increase summer heat related illnesses and deaths
• Increase in vector borne diseases and food borne illnesses
Climate Change and Health
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CO2 = Carbon Dioxide
N2O = Nitrous OxideCH4 = MethaneCO2
N2OCH4
CO2 + N2O + CH4 = CO2 equivalent
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Carbon Dioxide (CO2)
100 years!
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Nitrous Oxide (N2O)
114 years!
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Methane (CH4)
12 years!
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Saskatchewan GHG Emissions
Source: Environment Canada National Inventory Report, 1990-2012
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SaskPower 2013 Gross Electrical Energy Supplied
Electricity Generation
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World level of CO2 1870 = 290 ppm
World level of CO2 2013 = 396 ppm
How fast is Saskatchewan emitting CO2 ?
• 1990 = 44 million tonnes/yr• 2011 = 74 million tonnes/yr
If Saskatchewan were a country, we would have the second highest per capita GHG emissions in the
world.
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Action
Student Action for a Sustainable Future• Conserve energy• Conserve water• Reduce waste• Eat local• Eat less meat• Use active transportation
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