Ocean Action Hub

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Atmospheric carbon dioxide (CO2) levels are rising as a result of human activities, such as fossil fuel burning, and are increasing the acidity of seawater. This process is known as ocean acidification. Historically, the ocean has absorbed approximately 30% of all CO2 released into the atmosphere by humans since the start of the industrial revolution, resulting in a 26% increase in the acidity of the ocean (average global decrease in ocean pH of about 0.1 unit).

Ocean acidification make it more difficult for the numerous organisms that fix calcium carbonate in their skeletons and shells to do so, and can also impact metabolic and reproductive processes in many marine species. By impacting marine ecosystems at multiple levels, it has significant potential to affect food security and livelihoods that depend upon healthy marine ecosystems. The economic impact of ocean acidification could be substantial.

Reducing CO2 emissions is the only way to minimize long-term, large-scale risks from ocean acidification (IGBP, IOC, SCOR, 2013, p. 1).

Latest

18 Aug 2017 - The President of the United Nations General Assembly, H.E. Mr. Peter Thomson, will ring the Opening Bell of the Nasdaq Stock Market at its MarketSite Headquarters in Times Square, New York, on Monday, 21 August 2017 at 9:30 am EDT, to raise awareness on the urgency of measures required to improve the health of the Ocean.

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14 Aug 2017 - The coral bleaching event that devastated reefs worldwide during the past three years is over for now, but as ocean temperatures continue to rise, bleaching is likely to continue on a regional level.

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11 Aug 2017 - It’s no fluke: Fish populations are on the move, chasing cooler marine temperatures. At Rutgers, scientists track their alarming migrations.

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9 Aug 2017 - PARTNERSHIP is one of the cornerstones for successfully implementing the 2030 Agenda for Sustainable Development and the Sustainable Development Goals (SDGs).

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3 Aug 2017 - Scientists have long known about the anomalous "

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In June 2017, the United Nations hosted the first Ocean Conference to solidify a global approach for the management and conservation of the oceans.

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28 July 2017 - A new study found that Caribbean staghorn corals (Acropora cervicornis) are benefiting from "coral gardening," the process of restoring coral populations by planting laborat

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28 Jul 2017 - ¿Cómo se diseña una Política Oceánica que respalde la conservación de los mares y el uso sostenible de los recursos que provee? Esa fue la pregunta que articuló el taller internacional organizado por el Ministerio de Relaciones Exteriores (MINREL) con apoyo del Programa de las Naciones Unidas para el Desarrollo (PNUD) en Chile, que contó con la asistencia de expertos y representantes diplomáticos procedentes de Argentina, Australia, Colombia, Nueva Zelandia y Perú el pasado 27 de julio en Santiago.

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25 July 2017 - Recent studies by Indian scientists had revealed that the trend of sea level rise in the north Indian Ocean is slightly higher than the global estimate of 3.2 mm per year, Minister of State for Earth Sciences YS Chowdary told the Rajya Sabha in a written reply.

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21 July 2017 - Oceans cover 70 percent of the earth’s surface and account for 97 percent of

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17 July 2017 - High level representatives of governments, the finance sector, the [re]insurance industry, and other sectors will consider specific risks posed by changes in the world’s oce

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13 July 2017 - New initiative covers a wide swathe of research interests, including climate, marine litter, ocean observation, food security, fisheries management, and ocean technology.

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