Ocean Action Hub

[ SDG Target 14.2 ] By 2020, sustainably manage and protect marine and coastal ecosystems to avoid significant adverse impacts, including by strengthening their resilience, and take action for their restoration in order to achieve healthy and productive oceans.

Definition

Marine and coastal ecosystems provide many services to human society, including food and other goods, shoreline protection, water quality maintenance, waste treatment, support of tourism and other cultural benefits, and maintenance of the basic global life support systems.

The provision of these services is threatened by the worldwide degradation of marine and coastal ecosystems. Fisheries are in global decline. Coastal habitats have been modified and lost, and in many cases the rate of degradation is increasing. Habitat loss and modification result in a loss of ecosystem services and also threaten biodiversity (UNEP, 2006, p. 7).

Latest

What you will find in this publication The objective here is to present how...
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Coastal ecosystems such as mangroves, tidal marshes and seagrasses play a significant role as carbon sinks in the fight against climate change. They sequester and store large quantities of carbon in both the plants and the sediment below. Conservation and restoration of coastal ecosystems has the potential to help mitigate climate change while supporting many countries’ adaptation efforts and contributing to their sustainable development goals. 

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G7 leaders recently announced that “our world must not only become net zero, but also nature positive, for the benefit of both people and the planet.”

Nature positive is a disruptive idea and it is a new business model based on regeneration, resilience and recirculation – not destruction and pollution.

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The quest to compile the definitive map of Earth's ocean floor has edged a little nearer to completion. Modern measurements of the depth and shape of the seabed now encompass 20.6% of the total area under water.

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Story highlights

  • Much of the ocean is fished by multinational corporations and their subsidiaries and suppliers. Questions remain over their sense of stewardship
  • A team of scientists, industry experts and civil society representatives analysed the sustainable seafood movement of the past 50 years
  • They identified four dimensions in which efforts by actors within the seafood industry have aligned with theoretical concepts of stewardship
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14 Dec 2020 - Oceans are acutely sensitive to climate change. Guatemala's new monitoring system will track changes in sea level and water temperature, fish catch and reef health.
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23 Nov 2020 - Film shares stories of science, innovation and sustainability that are transforming the marine sector.

 

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10 Nov 2020 - Exhibit shows local experts spearheading scientific innovation through environmental DNA, special camera techniques and using satellite data with species tagging.

 

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28 Oct 2020 - This paper highlights trends in coastal behaviour and comments on...
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14 Oct 2020 - The Guardian - Warming ocean contributes to sea level rise and to more extreme weather such as hurricanes.

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12 Oct 2020 - Invasive aquatic species have a tremendous negative effect on the world’s marine ecosystems.

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