Global Warming1
Transcript of Global Warming1
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Global Warming Thursday, April 8, 2010
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History of Our Planet
Earth formed 4.6 Billion years ago.
Life appeared 3.8 Billion years ago.
Photosynthesis occurred 3.5-2.5 Billion years ago.
Glacial Cycles
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What is Global Warming?
An increase in the earth's atmospheric
and oceanic temperatures widely
predicted to occur due to an increase in the
greenhouse effect resulting especially
from pollution.Thursday, April 8, 2010
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Greenhouse Effect.
Two Types of Greenhouse effect
Levels of Greenhouse gasses rise.
Less heat escapes.
Temperature Rises.
What Causes Global Warming?
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Causes Cont.
Carbon Dioxide
95 % come from natural sources.
Burning of Fossil Fuels
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Some More Causes
Deforestation and Agriculture.
Loss of Natural Absorbents.
Methane
Worse than Carbon Dioxide.
Twenty times stronger than Carbon Dioxide.
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Yet Again, More Causes
Chlorofluorocarbon’sIncrease Carbon Dioxide Levels.
Loss in Absorbers.
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Another Cause/ Theory
Solar Variation Theory
Sunspots
Earth receives 70% of the suns solar flux
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Current Global Warming Effects
Disease
Insects migrating.
Hurricanes
Stronger and more frequent.
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Current Effects Cont.
Precipitation Increase.
Drought.
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More Current Effects
Ice Is Melting.
Sea Levels.
Decline In Animal Species.
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Future Effects
Continual Sea Level Changes and Ice Dissolving.
Fresh Water Availability.
Economic Disaster.
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Future Effects Cont.
Species Dependency
Extinction of Plants and Animals.
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How To Stop Global Warming!!
Use Compact Fluorescent Bulbs
Inflate Your Tires
Fill the Dishwasher
Change Your Air Filter
Use Recycled Paper
Check Your Waterheater
Change the AC Filter
Take Shorter Showers
Install a Low-Flow Showerhead
Buy Minimally Packaged Goods
Buy a Hybrid Car
Reduce Garbage
Plant a Tree
Replace Old Appliances
Weatherize Your Home
Unplug Un-Used Electronics
Air Dry Your Clothes
Turn off Your Computer
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How to Stop Global Warming Cont.
The 3 ”R”’s
The Clean Air Act.
Commitments to CO2 Reduction.
ALTERNATIVE ENERGY!!
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