Global Warming Thursday, April 8, 2010

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

Thursday, April 8, 2010

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

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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Thursday, April 8, 2010

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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Thursday, April 8, 2010

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!!

Thursday, April 8, 2010