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Global Warming

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Global Warming. What's the evidence? Global Warming. What's the cause? Global Warming ... Global Warming. But isn't this natural... Global Warming. But isn't ... – PowerPoint PPT presentation

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Title: Global Warming


1
Global Warming- An introduction
Global Warming
2
Global Warming
3
What's the evidence?
4
What's the evidence?
Global Warming
5
What's the cause?
Global Warming
6
What's the cause?
Global Warming
7
What's the cause?
8
What's the evidence?
Global Warming
9
So we need protection...
Global Warming
10
But isn't this natural...
Global Warming
11
But isn't this natural...
Global Warming
12
But isn't this natural...
Global Warming
13
But isn't this natural...
Industrialisation
Global Warming
Homo Sapiens
14
So, what can we look forward too...
Global Warming
15
Global Warming
16
So what is global warming?
Global Warming
17
Reflected by the atmosphere into space.
Solar Energy
Heat lost to space
GREENHOUSE GASES
Heat is retained by greenhouse gases and warms
the atmosphere- Global Warming
Global Warming
Earth radiates heat.
Solar energy heats Earth.
Greenhouse effect
18
Greenhouse gases increase.
Farming rice and cattle releases methane.
GREENHOUSE GASES
Deforestation means less Carbon Dioxide is taken
in, some trees are burnt releasing Carbon Dioxide.
Burning fossil fuels releases Carbon Dioxide.
Global Warming
More heat is trapped, warming the Earth.
Human impact...
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