A new 66 million-year history of carbon dioxide offers little

Broken Record: Atmospheric Carbon Dioxide Levels Jump Again

A new 66 million-year history of carbon dioxide offers little comfort for today – Ahead of the Herd

PDF] Atmospheric carbon dioxide levels for the last 500 million years

environment - Are we in a low CO2 period, compared to the last 590 million years? - Skeptics Stack Exchange

66 Million Years of Earth's Climate Changes Revealed in Unprecedented Detail From Ocean Sediments

Climate, Free Full-Text

Ancient Deepsea Shells Reveal 66 Million Years Of Carbon Dioxide Levels

The 2020 report of The Lancet Countdown on health and climate change: responding to converging crises - The Lancet

Do high levels of CO2 in the past contradict the warming effect of CO2?

Do high levels of CO2 in the past contradict the warming effect of CO2?

Global warming - Carbon Dioxide, Climate Change, Greenhouse Gases

Global warming - Carbon Dioxide, Climate Change, Greenhouse Gases

What Was That Big Bang? Lamont-Doherty Earth Observatory

CO2 changes over past 66 M years

Assaad Razzouk