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Zimmerman column: Ocean acidification – the other CO2 problem

Human activity recently sent the concentration of CO2 in the atmosphere beyond 400 ppm for the first time in more than 4 million years. This threshold may be a point-of-no-return with dire consequences for climate warming. However, CO2 is not just a greenhouse gas. Nearly half the human-released CO2 is absorbed by the oceans, slowing […]
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