Marine and Polar

The ocean covers 70% of the Earth’s surface and support an extraordinarily diverse world. Only a fraction of it has been discovered so far and much of ocean life remains a mystery which IUCN experts are striving to unveil.


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  • In the spotlight:

    L’expédition Walters Shoal est de retour!

    L’expédition Walters Shoal est de retour (23 avril-18 mai 2017) ! Un fantastique partage des compétences dans un effort commun pour la gestion et la conservation des ressources biologiques de haute mer : les premières observations font du banc Walters un mont sous-marin au faciès écologique remarquable avec une zone sommitale recouverte d’algues coralligènes. L’analyse des échantillons nous apportera des précisions quant à la composition faunistique et floristique dans les mois à venir ! Retournez sur le blog

  • In the spotlight:

    The Walters Shoal Expedition is back!

    The Walters Shoal Expedition (April 23-May 18, 2017) is back! A fantastic sharing of skills as part of a common effort for the management and conservation of the living resources of the high seas: the first observations uncover Walters Bank as a remarkable ecosystem with a summit zone covered with coralligenous algae. The analysis of the samples will give us details about the fauna and flora composition in the months to come! Back to the blog.

  • In the spotlight:

    Ocean Warming Report

    Explaining Ocean Warming: Causes, scale, effects and consequences was released to the world’s media in September 2016 at the IUCN Congress in Hawaii.  This 460-page publication offers a comprehensive and up-to-date look at the effects of ocean warming from the perspective of major ecosystems and species groups.  Drawing on the work of over 80 scientists from 12 countries, it sets out the likely nature and scale of changes to come and also looks at the probable economic consequences ocean warming poses as well as associated risks to human health and well-being.

Latest news

  • Arquipélago de São Pedro e São Paulo Arquipélago de São Pedro e São Paulo  Photo: Canindé Soares

    Brazil on the verge of changing marine conservation history in the South Atlantic


    Brazil is on the verge of changing marine conservation history in the South Atlantic. After lagging behind other developing countries in Marine Protected Area coverage, with only 1.5% of its jurisdictional waters under some sort of protection, the Brazilian...

  • Plastics on the shore of Naxos, Greece Plastics on the shore of Naxos, Greece Photo: IUCN\Lea Dubois

    New tool to help companies fight plastic pollution


    An online tool which helps companies measure their plastic footprint, developed by the social enterprise Searious Business and IUCN, International Union for Conservation of Nature, was launched today at the Ocean Plastics Crisis Summit in London, UK.

  • Sea turtle Photo: Pablo Arturo Lopez Guijosa

    Marine Protected Areas: global standards for success


    IUCN recently compiled these standards for success for MPAs and has consulted on the content. The closing date for that was the 4 March 2018. We will shortly update the draft versions on this page with the final text.When this happens we will let everyone...

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