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Measuring the size of cod caught in the North Sea. New research helps to explain why climate change is causing fish to shrink in size. | Wikimedia Commons
Animals

Climate Change Is Causing Fish to Shrink

Warmer oceans mean fish require more oxygen, but their gills are not growing at the same rate as their metabolism, which is causing their body size to diminish.

Graphic showing how climate change can cause the bodies of certain marine species to shrink in size | Lindsay Lafreniere
Smokestacks at a power plant | Library of Congress