global warming
DESCRIPTION
The presentation contains video on Global Warming and some special effects making it attracting and effective.TRANSCRIPT
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Global Warming
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What is Global Warming?
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How Global Warming Works
Fossil fuels (coal, oil, natural gas)
Carbon Dioxide (CO2)
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Earth’s Atmospheric GasesNitrogen (N2)
Oxygen (O2)
Water (H2O)
Carbon Dioxide (CO2)
Methane (CH4)
Non-Greenhouse
Gases99%
GreenhouseGases
1%
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GreenhouseGases
The gases responsible for the greenhouse effect are CH4
NO2
H2O
And many more.These gases are the major cause of Global Warming
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Working of Greenhouse Gases
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Source of Greenhouse Gases
Pollution from coal, natural gas, and oilPollution from coal, natural gas, and oilPollution from coal, natural gas, and oil
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Consequences of Global Warming
Increased Temperature
Habitat Damage and
Species AffectedChanges in Water Supply
Rising Sea Level
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The severity of Global Warming
on the EarthGlobal warming has very severe effects on the Earth like• Ice is melting worldwide,
especially at the Earth’s poles. This includes mountain glaciers, ice sheets covering West Antarctica and Greenland, and Arctic sea ice.
• Researcher Bill Fraser has tracked the decline of the Adélie penguins on Antarctica, where their numbers have fallen from 32,000 breeding pairs to 11,000 in 30 years.
• Sea level rise became faster over the last century.
• Some butterflies, foxes, and alpine plants have moved farther north or to higher, cooler areas.
• Precipitation (rain and snowfall) has increased across the globe, on average.
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Portage Glacier
1914 2004
Alaska
Photos: NOAA Photo Collection and Gary Braasch – WorldViewOfGlobalWarming.org
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Colorado River Arizona
June 2002 Dec 2003
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Global Warming:
Shifting Gears
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2007
Goal: Reductions in CO2 Per Year
Bill
ion
s o
f M
etri
c To
ns
Car
bo
n
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2007Reductions in CO2
Per Year
Gig
ato
n C
arb
on
Produce electricity efficientlyUse electricity efficientlyVehicle efficiencySolar and Wind PowerBiofuelsCarbon capture and storage
Bill
ion
s o
f M
etri
c To
ns
Car
bo
nOur Goal
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The Planet is in serious trouble
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What can you do to help solve the problem?
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What should we do…
Nothing EverythingSomething
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What’s being done now to reduce our emissions?
Solar Power Wind Power Fuel-Efficiency
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Simple Things You Can Do
Turn off your computer or the TV when you’re not using it.
Take shorter showers. Heating water uses energy.
Keep rooms cool by closing the blinds, shades,
or curtains.
Turn off the lights when you leave a room.
Use compact fluorescent bulbs.
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Simple Things You Can Do
Dress lightly when it’s hot instead of turning up the air conditioning. Or use a fan.
Dress warmly when it’s cold instead of
Turning up the heat.
Offer to help your parents keep the air
filters on your AC and furnace clean.
Walk short distances instead of asking for a ride in the car.
Plant a tree. Recycle.
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Despair?You may never know what
results come of your action,
but if you do nothing,
there will be no result.
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Question Answers Session
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