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What is Known:
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•Human activity does increase the level of CO2in the atmosphere. |
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•Our oceans have risen 4 to 8 inches in the last 100 years. |
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•Our glaciers have started to retreat. |
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•The temperature of the Earth's atmosphere has risen 1 to 2 oF |
What is Not Known:
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•Is this a normal cyclic trend in the Earth's atmosphere. |
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•Have we reached a maximum or is it going to get worse. |
Who's to Say:
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•Scientist believe the Earth is billions of years old and we are looking at the past 100 years of history. We don't know enough to know if we are the cause or a natural part of the Earth's own cycles. |
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•20,000 years ago the Earth was in an ice age. Could global warming be a good thing to prevent future ice ages. |
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•Something should be done but don't be in a rush to do something to drastic you may find the results worse then the current state of the atmosphere. |
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