Carbon dioxide (CO2) and temperature go hand in hand. Thanks in part to paleoclimatology research, scientists know that atmospheric CO2 levels regulate ... 800,000 year CO2 graph understates ...

A July 13 Instagram post (direct link, archive link) features a graph charting historic atmospheric carbon dioxide levels and temperature variations over the past 400,000 years. “Antarctic ice ...

“There’s no correlation between carbon dioxide & climate & never was,” reads the text in the tweet. “CO2 is in trouble & in steady decline for millions of years. Temperatures are also ...

Another year, another record,” quipped Ralph Keeling, head of the Scripps CO2 Program, as atmospheric carbon dioxide hit 430 ...

"The problem today is not higher global temperature or carbon dioxide ... "Most of the data and graphs of carbon dioxide levels in the Earth's history start at around 350 million years ago." ...

That brings the annual mean global concentration close to 430 ppm, about 40 percent more than the pre-industrial level ... This graph shows the annual mean growth rates of carbon dioxide, with ...

Climate scientists have made one thing clear: Staving off the worst impacts of global temperature ... levels of the three most significant contributors to climate change – carbon dioxide ...

Today’s climate models estimate that a doubling of atmospheric CO2 levels would result in warming of between 1.5°C and 4.5°C. But the results suggest a much bigger temperature rise ...

never." Gleick's tweet was accompanied by a graph he plotted himself, demonstrating that CO2 levels thousands of years ago were indeed as high as some of the levels humans have encountered ...