We're the Marine Conservation Society, an environmental charity run by and for sea lovers. We're working toward a cleaner, better protected, healthier ocean: one we can all enjoy. Will you help us?
![Sea otter](https://s3.eu-west-1.amazonaws.com/media.mcsuk.org/images/Sea_otter_-_Menno_Schaefer_Shutter.2e16d0ba.fill-720x390.jpg)
Monthly membership
Looking for a quick and easy way to support the seas around us? Find out what it means to join our UK-wide community of marine lovers and become a member of our ocean charity today.
![TomCorser_Seaweed_2.jpeg](https://s3.eu-west-1.amazonaws.com/media.mcsuk.org/images/TomCorser_Seaweed_2_new.2e16d0ba.fill-720x390.jpg)
Get involved with Big Seaweed Search this year
Discover everything you need to know to take part in Big Seaweed Search week taking place from 27th July to 4th August this year.
![The Olympic Logo on water](https://s3.eu-west-1.amazonaws.com/media.mcsuk.org/images/The_Olympic_Logo_on_water.5fa53566.fill-720x390.jpg)
British marine animals we'd cheer in the Olympics
In our excitement for the Paris Olympics, we asked the question: if our local marine life could represent us as part of Team GB, what animals would we choose and for which event? Find out what our experts said.
How you can help
Whether you live inland or by the coast, there are lots of ways you can become a champion for our seas.
55
%
drop in plastic bags found on UK beaches since 5p charge was introduced
79.3
p
for every £1 donated is used for our charitable activities
16,595
volunteers donating their time