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On the other hand, if there is too much CO2 in the air you are breathing you will die.
The preponderance of scientific opinion believes CO2 is a greenhouse gas that raises global average temperatures and reacts with seawater to make the oceans more acidic.
If the rise in temperatures begins to free the methane locked in the permafrost things will get much worse since methane is a much more dangerous greenhouse gas than CO2 and billions and billions of tons of it are locked in arctic permafrost. Note: In in the Siberian city of Yakutsk the permafrost extends downward about 1,000 feet.
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