The sea absorbs around 30% of global emissions of carbon dioxide and 80% of the heat generated by the increase in greenhouse gases. However, not only are the oceans warming and rising, but they are also becoming more acidic. If the sea water become too acid, marine organisms, such as corals, mollusks and crustaceans, which need calcium carbonate to form their shells and skeletons, will be endangered.

1. Acid Test: Can we save our oceans from CO2?
2. Shipping impacts on climate
3. Oceans in danger
4. As goes the Arctic, so goes the planet

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