Archive for the 'Newsletters and reports' Category

The Intergovernmental Panel on Climate Change (IPCC) releases its Special Report on the Ocean and the Cryosphere in a Changing Climate

The new IPCC Special Report, released today,  is the first IPCC Report to focus on the role of the ocean in the global climate and the effects of climate change on the ocean. Ocean acidification is extensively covered throughout the report. A few OA-relevant excerpts from the Summary for Policymakers are cited below:


Observed Physical Changes

A2.5 The ocean has taken up between 20–30% (very likely) of total anthropogenic CO2 emissions since the 1980s causing further ocean acidification. Open ocean surface pH has declined by a very likely range of 0.017–0.027 pH units per decade since the late 1980s, with the decline in surface ocean pH very likely to have already emerged from background natural variability for more than 95% of the ocean surface area. {3.2.1; 5.2.2; Box 5.1; Figures SPM.1, SPM.2}
Continue reading ‘The Intergovernmental Panel on Climate Change (IPCC) releases its Special Report on the Ocean and the Cryosphere in a Changing Climate’

Ocean acidification and hypoxia plan outlines Oregon’s commitment to addressing climate impacts

CORVALLIS, Ore. – Oregon has a new roadmap for addressing rising ocean acidification and hypoxia – two climate change-induced conditions that could have widespread consequences for the state’s ocean ecosystem and the economy.

Ocean acidification and hypoxia are significant threats to a wide range of marine mammals, from crabs to fish to oysters, with major impacts on the ecosystem and the state’s economy, including tourism and the seafood industry.

“In Oregon, we saw some of the first impacts of ocean acidification and hypoxia when they started appearing in our shellfish. Now those challenges are compounding,” said Jack Barth, an Oregon State University oceanographer and co-chair of the Oregon Coordinating Council on Ocean Acidification and Hypoxia, which developed the plan.

Continue reading ‘Ocean acidification and hypoxia plan outlines Oregon’s commitment to addressing climate impacts’

Forest & Bird calls for urgent action on ocean acidity

Greenhouse gas emissions could double the acidity of New Zealand’s oceans within 80 years, damaging sea life and the fishing industry, says a new report by Forest & Bird.

The report states that the acidity of the seas around Aotearoa has increased by 26 percent since pre-industrial times and could increase by 116 percent by the end of the century.

Forest & Bird is calling on government, councils and the fishing industry to urgently take up the report’s 16 key recommendations to limit the impacts of climate change on our seas.

Continue reading ‘Forest & Bird calls for urgent action on ocean acidity’

PICES Press: Working together at the 4th GOA-ON International Workshop

The North Pacific Marine Science Organization (PICES) summer 2019 newsletter “PICES Press”, was recently published. This newsletter highlights the 4th GOA-ON International Workshop in Hangzhou, China, and PICES’ participation in this workshop.

Continue reading ‘PICES Press: Working together at the 4th GOA-ON International Workshop’

4th GOA-ON International Workshop summary report online

The summary report from the 4th Global Ocean Acidification Observing Network (GOA-ON) International Workshop, held in Hangzhou, China on 14-17 April 2019, is now available through the GOA-ON website here. This summary outlines the main recommendations from each of the parallel sessions, overviews of the special events, and workshop outcomes.

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New edition of the “OA-ICC Highlights”, April – June 2019

The new edition of the “OA-ICC Highlights” summarizes the project’s main activities and achievements over the period April – June 2019. This newsletter highlights the 4th GOA-ON International Workshop, a workshop on human vulnerabilities to ocean acidification, a training course on designing ocean acidification experiments in a multi-stressor context, updates from the Community of Ocean Action on Ocean Acidification, and other items.

The “OA-ICC Highlights” is a quarterly newsletter. Previous editions can be viewed here.

Continue reading ‘New edition of the “OA-ICC Highlights”, April – June 2019’

Ocean acidification highlighted in JCOMM Ocean Observing System Report Card 2019

Ocean carbon uptake and acidification

Anthropogenic carbon dioxide (CO2) emissions have substantially increased atmospheric CO2 concentrations over the last two centuries. Uptake of CO2 by the ocean mitigates the effects of climate change. Observations show that this CO2 causes changes in seawater chemistry, including decreases in seawater pH known as ocean acidification. This process, detrimental to sea life and ocean services, needs to be constantly monitored through sustained ocean observations, in order to develop meaningful projections of future impacts on marine ecosystems, and to implement effective long-term mitigation and adaptation strategies. Ocean acidification has been recognized as vital to sustainable development by the United Nations and the Sustainable Development Goal (SDG) 14(1) and its indicator 14.3.1(2). Under the custodianship of the Intergovernmental Oceanographic Commission (IOC) of UNESCO, this indicator mandates measurement of average marine acidity (pH) at representative sampling sites globally.

Continue reading ‘Ocean acidification highlighted in JCOMM Ocean Observing System Report Card 2019’

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Ocean acidification in the IPCC AR5 WG II

OUP book