1. GLOBAL WARMING: Effects & You!
Chris Titsworth

2. Global Warming What is it?
Gradual increase in the earth's surface temperature
National Geographic Data
The debate:  Is the observed global warming natural or man made?
Human causes:  Carbon dioxide (CO2), e.g. exhaust from cars and power plants.
Natural causes:  Some claim the sun is getting hotter.

3. Global Warming History
 In 1896 Svante Arrhenius predicted the decrease in CO2 needed to cause past ice ages. He wasn't far off, and it is not a large decrease. This helped confirm the 1859 prediction that human-produced increases in CO2 would cause just the reverse: global warming.

4. The Main Causes
Human activity or the sun? The final answer is not in, but you can see the results so far. (1) Exhaust is clearly the source of CO2. (2) Everyone now agrees the earth is warming. (3) Decide for yourself if warming is better explained by CO2, or the sun's heat.

5. Global Warming Effects
We can see the long-term effects coming in the melting of polar ice and glaciers. But a powerful trend in Atlantic hurricane data indicates we can already see the impact. Katrina was partly the result of a normal weather cycle, but that cannot explain away stronger hurricanes world wide.
The Visual Effects

6. Global Warming Data Reports

7. Can it Be Stopped
We can slow it down and lessen its effects. CO2 does not last as long in the air as was once thought, so the big problem is slowing human use of fossil energy, especially coal. (Especially since CO2 goes into the ocean and destroys coral reefs.)

8. Global Warming Measurements

9. To Learn More
Make Learning Fun
Global Warming Interactive