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Over 300 young people entered the competition to design a Greenpeace plastics campaign t-shirt. Here's the pick of the bunch.

The Galápagos Marine Reserve is a powerful example of what ocean protection can achieve. But outside its boundaries, industrial fishing is still doing damage. Now, governments have a chance to change that.

Puffins will be eating better thanks to a Greenpeace-backed ban on fishing for sand eels - a vital food source for the iconic sea birds.

The crew of Greenpeace’s ship Arctic Sunrise saved a humpback whale caught in fishing gear. The rescue is another reminder of why our oceans urgently need protection.

Coral the octo-activist has emerged outside Parliament. She's asking the government to get serious about ocean protection.

From oozing 'blood waterfalls' to giant deep-sea spiders, the Antarctic harbours some spooky secrets. Read on to uncover the truth... if you dare.

Thanks to campaigners, activists and supporters like you worldwide, the deep sea mining industry didn’t get the green light it was expecting at talks in July. Now we need to make sure these destructive companies never get the chance to plunder our fragile ocean floor.

This major victory unlocked a whole world of ocean protection potential. It's up to us to make it a reality.

Play our oceans quiz and see how well you know the oceans and some of the majestic creatures that live there.

It has taken decades, but we finally have a Global Ocean Treaty that can deliver the protection the oceans desperately need.