Carbon dioxide measurements – News, Research and Analysis – The Conversation

The Drake Passage, seen from Antarctica, is one of the most turbulent ocean regions on Earth. Lilian Dove

April 12, 2023

In the turbulent Drake Passage, scientists find a rare window where carbon sinks quickly into the deep ocean

Lilian Dove, California Institute of Technology

Working with underwater robots, scientists show how deep sea mountains and fast currents between Antarctica and South America play a crucial role in stabilizing the climate.

Human activity, along with a strong El Nino, drove 2016 greenhouse gas levels to new heights. AAP Image/Dave Hunt

October 31, 2017

World greenhouse gas levels made unprecedented leap in 2016

Paul Fraser, CSIRO; Paul Krummel, CSIRO, and Zoe Loh, CSIRO

Global greenhouse gas levels have hit their highest point in at least 3 million years, according to new figures from the World Meteorological Organisation.

The earth’s missing ‘fingerprint’ sits somewhere in the upper atmosphere, but for some reason eludes climatologists. Shutterstock

November 16, 2016

Explainer: the search for Earth’s ‘missing fingerprint’

Philip Lloyd, Cape Peninsula University of Technology

Without understanding why the ‘fingerprint’ has failed to appear our predictions about global warming - as carbon dioxide concentrations increase - are uncertain.

For the first time, the February monthly average carbon dioxide levels at the Mauna Loa Observatory have passed 400ppm. NOAA/Wikimedia Commons

March 8, 2015

February carbon dioxide levels average 400ppm for first time

Paul Krummel, CSIRO and Paul Fraser, CSIRO

We have hit a new milestone in carbon dioxide levels: the average for February topped 400ppm. It’s the first time this has happened in the northern winter, when levels are typically lower than in summer.

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