Quote:
Originally Posted by NeilBlanchard
It's only when the carbon comes from underground, from where it had been sequestered for millions and millions of years that it adds to the level of carbon dioxide in the air, that it becomes a problem.
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Methane pockets that leak into the atmosphere have always existed.
This process has been happening for ages though - long before we started burning dino oil.
Animals have always been pumping out methane - and they were numerous back in the days.