Common Seas.
Healthy Seas for Everyone.

We need the Ocean. We love the seas. But because they’re in trouble, we are too.

Common Seas exists to find, test and facilitate solutions to our global plastic pollution crisis. By working together, we can make the big changes we need to protect the greatest life support system on Earth.

In practice, that means our work tackles plastic waste at its source, delivers new ways to manage and re-use plastic, and stops the leakage into our rivers, seas and ocean.

Our Mission

To quickly and significantly reduce the amount of plastic waste produced and stop it polluting our Ocean.

Common Seas Health Workshop

We are collaborative.

Plastic pollution is too big and too complex a problem to solve alone. Common Seas provides the right people with the right tools to navigate this complexity and connect with the right partners to make change happen.

© Julia Neeson

We are catalysts

Our research and work on-the-ground harnesses the collective expertise of people, governments and businesses. Through a participatory co-design approach, we build capacity, infrastructure and momentum to catalyse change at a community, national and international level.

We are hands-on

Common Seas brings together an international team of scientists, policy experts and behaviour change professionals. Through our project work, we connect at a personal and practical level with people making change on the ground. We test our ideas in the field, learn from our own and others’ mistakes and are driven by a shared love of the sea.

We currently do this through four projects:

Plastic Drawdown

A toolkit to help governments understand their country’s plastic waste flows and take effective mitigation action.

View Project

Clean Blue Alliance

Our vision is a global network of plastic waste-free islands. We are working with governments, councils, businesses and local changemakers to identify and accelerate solutions.

View Project

Ocean Plastics Academy

A movement that supports educators in inspiring and equipping the next generation of sea champions.

View Project

Healthy Me. Healthy Sea.

An investigation into how plastic is affecting human health, with findings that will raise awareness and drive action.

View Project


Our mission and approach have been shaped by two forces. First, our founder Jo Royle’s previous career at sea skippering expeditions and trans-ocean yacht races, including voyages across the Atlantic and Pacific, and down to the Antarctic. And second, a decade of ground-breaking work safeguarding resilient and productive seas.

Learn more about our history



Executive Committee


Work with us

We’re a smart, dynamic, pragmatic, professional and supportive team. Our small (but quickly growing) international crew brings together a wide range of skills and expertise, together with an adventurous spirit and a hands-on-can-do attitude.

We’re proud to be part of an incredible network of thinkers and doers, and we’re always on the lookout for new ideas, connections and opportunities to better deliver our projects.

We love people who take the initiative and learn by doing. Who punch above their weight and make things happen. We hire for the long-term and will give you as much responsibility as you can handle.

We're Hiring!

We're currently hiring a Government & Institution Lead - you can download the job description here.

If you think this sounds like the perfect role for you, please send a copy of your CV and a one-page cover letter outlining your suitability for the job to [email protected]

Please submit your application by 1st November but note that we may close submissions early if the right pool of candidates has been identified.

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