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Sabina London

on 28 June 2015

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Transcript of http://www.pbs.org/teachers/connect/resources/7761/preview/

Global Warming
Why should I wear sunscreen on a
cloudy day?
Sunscreen and UV
Still need proof?

Let's do it !!
The Greenhouse Effect
How it works...

Greenhouse Gases

Do you see the analogy greenhouse gases to an actual greenhouse?

carbon dioxide 82%
methane 9%
Nitrous Oxide 5 %
Other 4%
Even a few degrees...
Increase in Temperature
Comparing Carbon Dioxide to a Pizza
Greenhouse Gases
Carbon Dioxide produced from:
1. dead organisms decompose
2. volcanoes erupt
3. Humans breathe out

BUT now we added
cars, factories, and electric power plants.

Frozen at 32 degrees Celsius but at 33...
What is Global Warming

Full transcript