Oceana’s new report, Ocean-Based Food Security Threatened in a High CO2 World ranks nations to show which are most vulnerable to reductions in seafood production as a result of climate change and ocean acidification. While seafood is currently a primary source of protein for more than a billion of the poorest people in the world, carbon dioxide emissions are causing the oceans to warm and become more acidic, threatening fisheries and the people who depend on them.
Rising ocean temperatures are pushing many fish species into deeper and colder waters towards the poles and away from the tropics, while increased acidity is threatening important habitats such as coral reefs and the future of shellfish like oysters, clams and mussels.
Many coastal and island developing nations, such as Togo, the Cook Islands, Kiribati, Madagascar and Thailand depend more heavily on seafood for protein and could suffer the greatest hardships because they have fewer resources to replace what is lost from the sea. For many developing countries, seafood is often the cheapest and most readily available source of protein, losing this resource could have serious impacts on livelihoods and food security.
The only way to address global ocean acidification and the primary path to ending climate change is by dramatically reducing carbon dioxide emissions. One of the first steps in this process should be to phase out all fossil fuel subsidies.
Some local measures may help make marine resources more resilient to the impacts of climate change and ocean acidification such as stopping overfishing, bycatch and destructive fishing practices such as bottom trawling, as well as establishing no take marine protected areas and limiting local pollution. But reducing carbon dioxide emissions is essential to make sure the oceans stay vibrant and productive for future generations.
To find the full ranking of nations’ vulnerability to climate change and ocean acidification check out our report: http://oceana.org/en/HighCO2World
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