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Global Warming - PowerPoint PPT Presentation


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Global Warming. Causes and Effects. Greenhouse gases. Greenhouse gasses pollute the air. Burning fossil fuels causes pollution. Seas levels are rising.

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Presentation Transcript
global warming

Global Warming

Causes and Effects

greenhouse gases

Greenhouse gases

Greenhouse gasses pollute the air.

Burning fossil fuels causes pollution.

seas levels are rising
Seas levels are rising
  • Global average sea levels have risen by 10 to 25 cms over the past 100 years. In the next 100 years they could rise another 50 cms. This is because of the ice is melting in the North and South pole.
the antarctic
The Antarctic

The ice is melting in the poles because of all the pollution in other countries.

austrailia
Austrailia
  • In Australia there is a big hole in the ozone layer. The sun is really strong over there and you can get skin cancer.
  • There is also a hole in the ozone layer in Antarctica.
slide6
Cars

Cars use oil which causes pollution.

chemicals

Chemicals

Chemicals pollute the air, water and land they are created by burning fossil fuels.

the end
The End

by Josh and Oscar

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