Global Warming Facts - PowerPoint PPT Presentation

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Global Warming Facts

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Title: Global Warming Facts


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
frozen
uninhabitable,
wasteland.
6
Over the past 300 years, people started emitting
large amounts of greenhouse gases
7
More and more
More and more fossil fuels were burned
fossil fuels are being burned
8
to run our cars
9
trucks
Trucks
10
Planes
Planes
11
  • And
  • F
  • A
  • C
  • T
  • O
  • R
  • I
  • E
  • S

12
Adding to our naturalsupply of
greenhouse gases.
13
The gases can stay in the atmosphere for at least
50 years and up to centuries.
14
The result?
15
the globe
has heated up by about one degree Fahrenheit over
the past century.
16
One degree not a big deal?
Consider this
17
the difference
in global average
temperatures between modern times
18
and the last ice age
19
was only about
9 degrees Fahrenheit.
20
China
America is the 1 global warming polluter in the
world.

21
DisappearIng
  • Arctic ice
  • is
  • rapidly

22
Polar bears and indigenous cultures are already
suffering from the sea-ice loss.
23
Glaciers and mountains are
  • Glaciers and mountain snows are rapidly melting

slowly melting.
24
  • Coral reefs

which are highly sensitive to small changes in
water temperature
25
Suffered the worst bleaching-or die-off in
response to stress- ever recorded in 1998
26
We only have one beautiful planet
Earth.
27
And we are all affected
And we are
all being affected.
28
So do your part
A B O U T
What are YOU doing
It?
29
He same
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