Ancient tree shows result of magnetic pole switch

Posted on March 6, 2021 by groundswellbasscoast

5 March, 2021 − A preserved ancient NZ tree trunk records the story of a climate catastrophe more than 40 millennia ago. It could happen again.
— Read on climatenewsnetwork.net/ancient-tree-shows-result-of-magnetic-pole-switch/

About groundswellbasscoast

This is on behalf of local climate change group. Material is selected by Bernie McComb and does not necessarily represent opinion of whole group.
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