2. 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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3. 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.
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4. What Causes Global
Warming?
Greenhouse Effect.
Two Types of Greenhouse effect
Levels of Greenhouse gasses rise.
Less heat escapes.
Temperature Rises.
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6. Causes Cont.
Carbon Dioxide
95 % come from natural
sources.
Burning of Fossil Fuels
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7. 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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8. Yet Again, More Causes
Chlorofluorocarbon’s
Increase Carbon Dioxide Levels.
Loss in Absorbers.
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9. Another Cause/ Theory
Solar Variation
Theory
Sunspots
Earth receives 70% of
the suns solar flux
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10. Current Global Warming
Effects
Disease
Insects migrating.
Hurricanes
Stronger and more
frequent.
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16. How To Stop Global
Warming!!
Use Compact Fluorescent Bulbs Buy Minimally Packaged Goods
Inflate Your Tires Buy a Hybrid Car
Fill the Dishwasher Reduce Garbage
Change Your Air Filter Plant a Tree
Use Recycled Paper Replace Old Appliances
Check Your Waterheater Weatherize Your Home
Change the AC Filter Unplug Un-Used Electronics
Take Shorter Showers Air Dry Your Clothes
Install a Low-Flow Showerhead Turn off Your Computer
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17. How to Stop Global
Warming Cont.
The 3 ”R”’s
The Clean Air Act.
Commitments to CO2
Reduction.
ALTERNATIVE
ENERGY!!
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