Fossil algae reveal 500 million years of climate change

https://www.sciencedaily.com/releases/2018/11/181128141822.htm

Scientists have succeeded in developing a new indicator (proxy) of ancient CO2 levels, using the organic molecule phytane, a debris product of chlorophyll. This new organic proxy not only provides the most continuous record of CO2 concentrations ever, it also breaks a record in its time span, covering half a billion years.


Original Title: Fossil algae reveal 500 million years of climate change
Full Text of the Original Article: https://www.sciencedaily.com/releases/2018/11/181128141822.htm