climate change: what can we do? developed by: susan silva dennis sobolik kathy conway alan journet
TRANSCRIPT
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Climate Change: What can we do?
Developed by:Susan Silva
Dennis SobolikKathy Conway Alan Journet
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Wildfires
Climate change contributes to increasing wildfires
What is causing climate change?
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Incoming Visible light
Transformed toheat.
Some heat is absorbed byatmospheric
gases
Remainder escapes
into space
Climate Change
Basics - I
WARNING:Not drawn to scale
Re-radiated out
What causes warming?
Atmosphere
Then what?
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If atmospheric gas density increases,
more heat is retained by this ‘thermalblanket’ of gases
War
min
g
Less escapes
into space
What are these gases?
Climate Change
Basics - II
Atmosphere
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War
min
g
Carbon dioxide= CO2
Methane = Natural Gas
Oxides of Nitrogen
Which is the most serious contributor?
From where do these gases come?
Climate Change
Basics - III
Atmosphere
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Sources of Most Warming GasesCOAL NATURAL GASOIL / GASOLINE
For what do we use these fuels?
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Rogue Valley: Use of These Fuels
Private cars/trucksPublic Transit
Transportation32%
Energy24%
Materials = Stuff44%
Energy to make stuffEnergy to transport stuff here
Fossil Fuels for energy productionNatural gas for heatingEnergy used in homes
& local businesses
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Review!• Reducing our fuel use for materials, transportation, and energy…• Reduces our use of coal, oil, natural gas….• Reduces our emissions of carbon dioxide, methane, oxides of nitrogen…• Reduces our warming of the atmosphere…• Reduces wildfire risk
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ENERGY USE
TRANSPORTATION
STUFF
What can YOU doto reduce your gas emissions
and reduce forest fires?
NOW IT’S YOUR TURN
Fossil Fuels for energy productionNatural gas for heatingEnergy used in homes
& local businesses
Private cars/trucksPublic TransitLocal Freight
Energy to make stuffEnergy to transport stuff here