Are Earth’s carbon sinks collapsing?

Scientists fear that as it heats up, the planet is losing its natural ability to absorb CO2 through oceans, forests and soil

Patrick Greenfield

It begins each day at nightfall. As the light disappears, billions of zooplankton, crustaceans and other marine organisms rise to the ocean surface to feed on microscopic algae, returning to the depths at sunrise. The waste from this frenzy – Earth’s largest migration of creatures – sinks to the ocean floor, removing millions of tonnes of carbon from the atmosphere each year. This activity is one of thousands of natural processes that regulate the Earth’s climate. Together, the planet’s oceans, forests, soils and other natural carbon sinks absorb about half of all human emissions. But as the Earth heats up, scientists are concerned that those crucial processes are breaking down. In 2023, the hottest year ever recorded, preliminary findings by an international team of researchers show the amount of carbon…

You're reading a preview of

Guardian Weekly (Digital) - 1 Issue, 25 October 2024

DiscountMags is a licensed distributor (not a publisher) of the above content and Publication through Zinio LLC. Accordingly, we have no editorial control over the Publications. Any opinions, advice, statements, services, offers or other information or content expressed or made available by third parties, including those made in Publications offered on our website, are those of the respective author(s) or publisher(s) and not of DiscountMags. DiscountMags does not guarantee the accuracy, completeness, truthfulness, or usefulness of all or any portion of any publication or any services or offers made by third parties, nor will we be liable for any loss or damage caused by your reliance on information contained in any Publication, or your use of services offered, or your acceptance of any offers made through the Service or the Publications. For content removal requests, please contact Zinio.