Small orange fish swarm over a vibrant tropical reef.

Oceans: Life Under Water podcast

A podcast that explores our blue planet's breathtaking beauty, extraordinary creatures and the dangers that threaten them.

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How we can protect the oceans

Our planet is 70% oceans and seas, but only a tiny fraction is currently protected. We need a global network of ocean sanctuaries to protect oceans from overfishing, oil drilling and plastic pollution. The new UN Global Ocean Treaty will help in this vital step for ocean conservation.

A tuna swims through a deep blue ocean with a fish hook in its mouth, trailing a line back towards the hull of a boat, which is just visible at the edge of the frame.

Overfishing

To keep our oceans healthy, we need to use fishing methods that keep fish stocks healthy and protect other marine creatures. Sadly, industrial fleets have been overfishing and using gear that destroys marine life. Protecting our oceans means changing the way we catch fish.

Whales

Whales are magnificent creatures, but they also play an important role in keeping our oceans healthy. One of the environmental movement’s biggest successes was a global ban on commercial whaling. But they now face other threats, as well as efforts by some governments to hunt them for profit once more.

Still from an animated film about deep sea mining, showing a huge machine ploughing up the seabed with powerful headlights.

Deep sea mining – what you need to know

Deep sea mining is the practice of mining metals and minerals from the seabed. Among many other risks to people and biodiversity, it would damage the oceans beyond repair, threatening their ability to help fight climate change. Here’s everything you need to know.

Overhead view of a jumble of dirty shredded plastic waste.

Plastic pollution

Plastic is everywhere. It’s useful and convenient, but it’s also a massive pollution problem. Wildlife becomes caught in discarded plastic and microplastics are eaten by ocean creatures. Much of the UK’s plastic waste is dumped and burned overseas, affecting people’s health. To stop this, we must produce less plastic in the first place.

Colourful photo montage shows Greenpeace activists and volunteers at work, along with wildlife like polar bears, whales and orangutans.

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