1. GLOBAL WARMING

2. The atmosphere has a natural supply of "greenhouse gases“

3. They capture heat and keep Earth warm enough for us to live on.

4. Without the
greenhouse effect

5. the planet would be an
uninhabitable,
frozen
wasteland.

6. Over the past 300 years, people started emitting large amounts of greenhouse gases

7. More and more fossil fuels are being burned
More and more fossil fuels were burned
fossil fuels are being burned

8. to run our cars…

9. trucks
Trucks

10. Planes
Planes

11. Interesting, right?
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