![]() Protecting the oceans can also help make coastal communities more resilient against the impacts of climate chaos. ![]() But political unrest meant COP25 was moved from Santiago to Spain. COP25, as the meeting is known, was scheduled to take place in Chile, a country with a coastline that stretches for more than 4,000 km and has a heavy reliance on the oceans. ![]() Oceans are scheduled to be a key topic at the UN climate change meeting in Madrid, where governments are now discussing progress on the Paris climate change agreement. The seas are now about 26% more acidic than in pre-industrial times, with damaging impacts on shellfish in particular. That also sounded the alarm over ocean acidification. The Intergovernmental Panel on Climate Change recently highlighted the perils the oceans face from climate chaos, in its first report to focus solely on the marine environment. Ocean protection is climate action – if we can save our ocean, it can save us.” “But over-exploitation and our addiction to fossil fuels have pushed our ocean to the brink of collapse. “The ocean’s biology is one of our best allies in the fight against climate change,” said Louisa Casson, oceans campaigner at Greenpeace UK. Large baleen whales are estimated to store 910m tonnes less carbon than they did before commercial whaling began, Greenpeace noted, while working to rebuild key whale populations would remove 160,000 tonnes of carbon every year. Marine life at the other end of the scale also plays an important role. But krill populations have been in long-term decline since the 1970s due to pollution, overfishing and climate change. Krill – small crustaceans – also form a vital part of the carbon cycle in the seas as they move through levels of the ocean, and play a big role in the diet of larger species.
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