Quote:
Originally Posted by kindlekitten
it can be looked at in tree rings, vegetation used, and many other resources left in the record
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I know that - but it still doesn't cover the whole period to the beginning of time. Not that many trees around that are million of years out.
Using soil or other bore samples has actually shown that there have been extreme temperature movements and cycles.
Nevertheless - back to what I said previously: I won't hurt us to look after the world we live in. It's only on loan to us from future generations.