Archive for the 'Resources' Category

The threat of ocean acidification: what you need to know (audio & video)

Ocean acidification is a topic that has been gaining more attention in recent years, and for good reason. It is a serious threat to the health and well-being of our oceans, and ultimately to the survival of countless species that call the ocean home.

In this video, we will explore what ocean acidification is, how it occurs, and the impacts it has on the environment. We will also discuss the primary drivers of ocean acidification, including the burning of fossil fuels and other human activities that release carbon dioxide into the atmosphere.

Through stunning visuals and clear explanations, we will delve into the science behind ocean acidification and why it is such a critical issue. We will also examine what steps can be taken to mitigate its effects and preserve the health of our oceans for future generations.

Whether you are a student, scientist, or concerned citizen, this video will provide a comprehensive overview of ocean acidification and its implications. Join us on this journey to understand one of the greatest challenges facing our planet today.

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MCCIP 2022 ocean acidification (audio & video)

MCCIP update: A decline in pH (increasing acidity) is evident through the global ocean, and rates could increase in the second half of the century. For UK shelf seas, the rate of pH decline is higher in some coastal areas than others. Lead author: Dr Helen Findlay, Plymouth Marine Laboratory.
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SAROA hub webinar series – ocean acidification in the northern Indian Ocean: role of atmospheric pollutants

Title: Ocean acidification in the northern Indian Ocean: role of atmospheric pollutants

Date: 23 March 2023

Time: 5 PM IST

Register here:
You will receive zoom link after registration

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Deadline extended: call for community review on OARS white papers

DEADLINE EXTENDED until 30 April 2023!

The UN Decade of Ocean Science for Sustainable Development programme “Ocean Acidification Research for Sustainability (OARS)“, spearheaded by the Global Ocean Acidification Observing Network (GOA-ON), invites you to participate in the community review of its white papers. The OARS programme provides a vision for ocean acidification research for the next decade by setting out a roadmap that, when implemented in collaboration with multiple partners, will deliver against seven outcomes by 2030.

To participate in the review, please visit the webpage linked below to download the pdf of the outcome or outcomes you would like to review as well as the review template. Use the template to submit your specific comments, referencing the precise outcome and page you are commenting on; one single template can be used to review more than one white paper. Once you have finished the review, please send your completed template to the GOA-ON Secretariat no later than 30 April 2023.

OARS White Paper Community Review 

If you are interested in contributing to any of the seven OARS outcomes or just want to hear more, please contact us! The GOA-ON secretariat will put you in touch with the outcome champions:

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Pier2Peer scholarship announcement!

Scholarship alert! Did you know that GOA-ON’s Pier2Peer program offers scholarships to eligible mentor/mentee pairs? These awards from The Ocean Foundation — up to $5,000 USD — help support international collaborations between mentors and mentees that result in tangible gains in technical capacity, cooperation, and knowledge. For more information, including eligibility and application information, visit the Pier2Peer webpage on GOA-ON. Make sure to apply by the April 15th deadline!

Apply to Pier2Peer Scholarship

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Climate threats to Asian fishing – the world’s biggest source of fish (audio)

Play Audio. Duration: 18 minutes 30 seconds

Fishing boats moored at a port in Qingdao, Shandong Province of China. The Asian fishing industry ranges from small artisanal fishers to huge vessels that travel the world.(Han Jiajun/VCG via Getty Images)

The Asian region has the largest fishing fleet – about two-thirds of the global total. 

A UN Report last year found that Asia produced 70% of the world’s fish for consumption. 

But that globally valuable industry faces several climate-related threats, including ocean acidification. 

Guest: Professor Steven Widdicombe, a world leader in ocean acidification. 

Director of Science and Deputy Chief Executive, Plymouth Marine Laboratory, UK. 

Advisor to Back to Blue, an initiative of The Economist  and The Nippon Foundation, which seeks to improve evidence-based approaches and solutions to the pressing issues faced by the ocean. 

Co-chair of the Global Ocean Acidification Observing Network

Professor Quentin Hanich leads the Fisheries Governance Research Program at the Australian National Centre for Ocean Resources and Security, at the University of Wollongong. 

He collaborates with research institutions in Korea and Japan, and travels regularly in the region. 

Listen here.

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GOA-ON webinar: ocean acidification observations and impacts (audio & video)

The February 2023 GOA-ON Webinar was hosted by the North East Atlantic Hub of GOA-ON. Dr Helen Findlay (PML, UK; co-chair of the NE Atlantic Hub) moderated the webinar which featured presentations from Sebastein Petton (Ifremer (French national institute for ocean science) // Laboratory of Environmental marine sciences) on the “French coastal monitoring network for carbonate system” and Callum Hudson (PhD Student – Okinawa Institute of Science and Technology Graduate University – Marine Climate Change Unit) about how “Ocean acidification increases the impact of typhoons on algal communities”.
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February GOA-ON webinar: OA observations and impacts

The February GOA-ON Webinar “Ocean Acidification Observation and Impacts” is hosted and moderated by the North East Atlantic Hub. Join us for presentations on the French Coastal Monitoring Network for the Carbonate System by Sebastien Petton (Ifremer, French National Institute for Ocean Science) and hear from Callum Hudson (Okinawa Institute of Science and Technology Graduate University) about how ocean acidification increases the impact of typhoons on algal communities on 22 February 2023 at 9:00 UTC.

Registration link: Webinar Registration – Zoom

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Climate change: what is ocean acidification? (text & video)

As carbon emissions change the chemistry of the seas, ocean acidification threatens marine life and human livelihoods. How worried should you be about climate change’s so-called “evil twin”?

The threat of ocean acidification | The Economist

Another consequence of carbon emissions

The ocean’s chemistry is changing at an unprecedented rate. By the end of this century the ocean is expected to be 150% more acidic than it is now. Acidification is threatening marine life. It’s killing baby oysters, deep-sea coral reefs and pteropods, tiny creatures, known as the potato chips of the sea. Human livelihoods are also in jeopardy. This film explores the alarming effects of ocean acidification, drawing on the expertise of scientists and the first-hand experiences of a Native Alaskan community. The film also looks at what can be done to lessen the problem.

The Economist, YouTube, 2 February 2023. Video.

GOA-ON webinar: mediterranean calcifying organisms under ocean acidification and warming (audio & video)

Dr. Chloe Carbonne (Laboratory of Oceanography of Villefranche, Sorbonne University, Villefranche-sur-Mer, France) and Maximiliano Szkope (University of Malaga, Malaga, Spain) will be presenting their work on calcifying organisms in the Mediterranean Sea under the effects of ocean acidification and warming.

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Why do oceans matter for climate change?

Oceans are the planet’s greatest carbon sink, absorbing up to 30 per cent of the human-caused greenhouse gas emissions fuelling the climate crisis. Photo of Deepwater Horizon fire / US Coast Guard / Wikipedia

As the climate crisis gets worse, oceans — the planet’s greatest carbon sink — can no longer be overlooked.

Spanning 70 per cent of the globe, oceans have absorbed nearly a third of the planet-warming greenhouse gas emissions caused by humans and 90 per cent of the excess heat those gases create.

The heat stored in the Earth’s entire atmosphere is equal to what’s stored in the top few metres of our oceans. If that wasn’t enough, oceans produce more than 50 per cent of the planet’s oxygen and regulate our climate and weather patterns.

Oceans clearly do some heavy lifting but get little attention on the world stage.

In Canada, home of the world’s longest coastline, we can’t meet our climate and biodiversity goals without paying greater attention to the threats oceans face and the solutions they can provide. Especially as the feds doubled down on their pledge to protect 30 per cent of Canada’s waters and lands by 2030 at last month’s COP15 biodiversity summit in Montreal.

As part of a new Canada’s National Observer series breaking down climate basics, we’re diving into some common questions about how and why oceans matter to climate change.

What is ocean acidification?

Greater amounts of CO2 in the ocean reduce the water’s pH levels, making it more acidic, along with its levels of calcium carbonate — a key building block for many creatures’ shells or skeletons, such as crabs, shellfish, prawns, corals, sea urchins and tiny marine snails, called pteropods, which fish like salmon depend on for food. Some of the initial red flags around ocean acidification surfaced in Washington state and Oregon a decade ago when shellfish hatcheries suffered massive die-offs of baby oysters.

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Celebrating the 5th Annual OA Day of Action (video & text)

Each year on the 8th of January, or 8.1 – the current pH of the ocean – we recognize The Ocean Acidification Day of Action. Watch this video to learn about how The Ocean Foundation and its partners are working to address ocean acidification, and join us in celebrating the successes of our community and setting our sights on the challenges ahead.

Visit our website to learn more about our International Ocean Acidification Initiative:

Ocean Acidification – The Ocean Foundation (

OA Day of Action Press and Social Toolkit – The Ocean Foundation (

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Ove Hoegh-Guldberg | coral reefs: from climate victims to survivors (video & text)

Prof Ove Hoegh-Guldberg was among the first to sound the alarm of the threat posed by ocean warming and acidification to marine ecosystems, following pioneering research into coral bleaching and mortality.

In his 29 November keynote at the Frontiers Forum, Ove gave an update on coral reef health globally and an outlook for the future. The session was attended by over 1,500 representatives from science, policy, and business across the world.

Ove’s talk was followed by a discussion with renowned coral scientists on how to protect and restore reefs so they flourish for centuries to come:

  • Prof Maoz Fine | Professor, Hebrew University of Jerusalem, Israel
  • Lisa Carne | Director/Founder, Fragments of Hope, Belize
  • Dr Nancy Knowlton | Sant Chair for Marine Science Emerita, Smithsonian National Museum of Natural History, USA

Ove led the team that revealed the molecular mechanisms of coral bleaching and developed the first projections of mass coral mortality. He heads global research, discussions, and action on the science and solutions to rapid climate change – including as Coordinating Lead Author for the ‘Oceans’ chapter for the Fifth Assessment report of the Intergovernmental Panel on Climate Change (IPCC) and Coordinating Lead Author on the ‘Impacts’ chapter of the IPCC Special Report on 1.5°C. He also conceived and led the innovative XL-Catlin Seaview Survey, which visually recorded the health of over 1,000 km of coral reefs across 25 countries. Ove is Professor of Marine Studies at the University of Queensland, Australia.

The Frontiers Forum showcases science-led solutions for healthy lives on a healthy planet. Watch previous sessions at

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The December WIOMSA Newsbrief is out!

We are delighted  to announce that the December issue of the WIOMSA Newsbrief has been published. This issue of the Newsbrief  features WIOMSA at COP 27 in Egypt  where we unveiled the Report on Ocean Acidification monitoring in the Western Indian Ocean. Other key features  include a spotlight on our newly elected Board members and the resolutions passed at WIOMSA’s 7th General Assembly in October. The Newsbrief highlights the cutting edge science outputs from our research projects, regional news, new publications and recently published papers . Also featured are WIOMSA’s affiliate networks.

Download the December Newsbrief.

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2023 NOPP mCDR NOFO informational webinar (audio & video)

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GOA-ON Webinar: carbon cycle monitoring in the extreme latitudes, the Southern Ocean and Arctic Ocean (audio & video)

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An ocean crisis in the making (video & text)

As the ocean absorbs ever more carbon dioxide from the atmosphere, the pH level in many of its seawaters is falling. In other words, their acidity is increasing.

Ocean acidification poses an existential threat to many forms of marine life, and thus to food chains, livelihoods and economies. What is it, and what can we do to avoid its worst impacts?

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Ocean calls podcast: can we turn back time and restore our oceans? (audio & text)

“We had the warmest temperature in Villefranche-sur-Mer, 28.2 degrees and this leads to mass mortality,” says the Intergovernmental Panel on Climate Change (IPCC) contributor Professor Jean-Pierre Gattuso in this episode of Ocean Calls.

The scientist describes a marine heatwave that hit the picturesque French Riviera this summer.

“Approximately 20 per cent of the coastal zone between the surface and ten-metre depth is lost.”

“In 2015 we had 80 per cent mortality of the coral reefs in the southern Red Sea, and they haven’t recovered yet, seven years after,” says Prof Carlos Duarte, a marine ecologist at the King Abdullah University in Saudi Arabia, our second guest on this episode.

In 2020, the two scientists co-authored a paper ‘Rebuilding Marine Life’ in the journal Nature, in which they listed five main actions to take in order to restore the abundance of marine life lost to human activity and climate change.

First, the actions needed to protect species. Second, spaces – the so-called Marine Protected Areas, then removing pressures on the ocean and addressing climate change “with a high level of ambition”.

“Then it’s also to harvest wisely and to remove pollution,” Duarte highlights.

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Ocean acidification lessons: making a rainbow of pH (video)

Ocean Acidification Lessons: Making a Rainbow of pH

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Ocean acidification lessons: shell shifts (video)

Ocean Acidification Lessons: Shell Shifts

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