Join the International Alliance to Combat Ocean Acidification

Join the International Alliance to Combat Ocean Acidification, a newly formed international network of governments and organizations that together will address ocean acidification and other threats from changing ocean conditions.


The Pacific Coast Collaborative, representing the U.S. states of California, Oregon, Washington and the Canadian province of British Columbia, was formed in 2008 when the leaders of the participating states and province agreed to work together on energy, climate, ocean health and other issues, as a region. They have been addressing the causes and effects of ocean acidification since 2010. With large-scale oyster hatchery losses in 2007 and 2008, the West Coast has experienced some of the earliest and clearest impacts of increased acidification in marine waters. Early efforts by PCC jurisdictions brought together leading scientists, policy makers, Tribes and First Nations, government agencies, and non-governmental organizations to address ocean acidification.

In 2013, the PCC jurisdictions convened the West Coast Ocean Acidification and Hypoxia Science Panel. The Panel focused on ocean acidification and diminished oxygen impacts on the ecosystems and economies across the West Coast of North America, and recommended local and regional strategies for addressing the challenge.

To advance these efforts and address ocean acidification on a global scale, the jurisdictions have formed the International Alliance to Combat Ocean Acidification (Alliance) by which members will commit to working collaboratively and taking individual actions that address the environmental and economic threat posed by ocean acidification within their region.

Join us

The International Alliance to Combat Ocean Acidification will be announced at the Our Ocean Conference hosted by the U.S. Department of State on September 15, 2016 by the U.S. States of California, Oregon, and Washington, and the Canadian Province of British Columbia. The Alliance invites membership from countries, states, provinces, counties and cities, and Tribes and First Nations that are concerned about the impacts of ocean acidification and are ready to and able to highlight the issue of ocean acidification, both within their region and globally. The Alliance also invites universities, non-governmental organizations, industry associations, businesses, and other parties to join and participate as affiliate members. Affiliate members will be asked to engage as supporters of the Alliance and where possible, join Alliance members at events and workshops to help advance its goals and speak to the harmful impacts ocean acidification. Alliance members will be supported in their efforts through information exchange of the most recent and relevant science, best practices to mitigate and adapt, sharing examples of existing action plans, and through periodic convening of members at high-level international oceans and climate-related meetings. Ceremonies, recruitment events, and workshops to recognize signatories and help advance the Alliance’s work will be organized throughout the year.

International Alliance to Combat Ocean Acidification, 15 September 2016. More information.

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OA-ICC Highlights

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