Global warming
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Transcript of Global warming
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GLOBAL WARMING
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The atmosphere has a natural supply of "greenhouse gases“
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They capture heat and keep Earth warm enough
for us to live on.
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greenhouse effect
Without the
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the planet would be
an
frozenuninhabitable, wasteland.
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Over the past 3
00 years, people
starte
d emitting large amounts of
greenhouse gases
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More and more fossil fuels were burned
More and more
fossil fuels are being burned
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to run our cars…
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trucks
Trucks
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Planes
Planes
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And
FACTORIES
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Adding to our naturalsupply of
greenhouse
gases.
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The gases can stay in the atmosphere for at least 50 yearsand up to centuries.
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The result?
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the
globe
has heated up by about one degree Fahrenheit over the past century.
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One degree not a big deal?
Consider this…
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the difference in global average temperatures between modern times
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and the last ice age
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was only about
9 DEGREES FAHRENHEIT.
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ChinaAmerica is the #1 global
warming polluter in the
world.
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DISAPPEARING
Arctic ice is rapidly
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Polar bears and indigenous cultures are already suffering from the sea-ice loss.
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Glaciers and mountain snows are rapidly melting
Glaciers and mountains
areslowly melting.
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Coral reefs
which are highly sensitive to small changes in water temperature
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Suffered the worst bleaching-or die-off in response to stress- ever
recorded in 1998
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We only have one beautiful planet
Earth.
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And we are all affected And we are
allbeing affected.
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So do your part
WhatareYOUdoing
ABOUT
It?
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He same
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