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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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Without the greenhouse effect
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the planet would be an uninhabitable, frozen wasteland.
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Over the past 300 years, people started emitting large amounts of greenhouse gases
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More and more fossil fuels are being burned
More and more fossil fuels were burned 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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