Biogeochemistry: Ancient algae crossed a threshold

Pancost, Richard D.; Badger, Marcus P. S. and Reinfelder, John (2013). Biogeochemistry: Ancient algae crossed a threshold. Nature, 500(7464) pp. 532–533.



The finding that the shells of certain algae can contain a signature of low levels of atmospheric carbon dioxide has prompted the discovery of the emergence of this signature in the fossil record. Here, experts discuss the implications of this for climate science and ocean ecology.

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