Articles on atmospheric carbon

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Air bubbles trapped in ice cores taken from the Antarctic contain valuable information about past changes in the composition of the atmosphere. Xavier FAIN/IPEV/LGGE/CNRS

What CO₂ ‘jumps’ from Antarctic ice say about climate change

The equivalent of four more years of global CO₂ emissions could soon be released into the atmosphere, exacerbating climate change.
Anya Waite (second from left) highlights the critical role of the ocean in regulating our climate, and the need to invest in observing oceans that store more than 90 per cent of all carbon, at COP27’s Earth Information Day event. (The Global Ocean Observing System)

Behind the scenes: How COP27 reached a deal that supports better monitoring of oceans to curb climate crisis

COP27’s agreement on observing the oceans sets a strong foundation for policymakers to invest in internationally linked observation that will help countries better monitor these carbon sinks.
Thick smoke fills the air and nearly blocks out the sun, east of Kamloops, B.C., on Aug. 14, 2021. THE CANADIAN PRESS/Darryl Dyck

Wildfire smoke may warm the Earth for longer than we thought

Brown carbon refers to a range of pollutants found in smoke from wildfires. They can contribute to global warming before they undergo a process that alters their chemical properties.

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