What’s going on with sargassum seaweed?

The 2026 men’s football World Cup will be the biggest ever staged. For the first time, 48 teams will compete, playing more than 100 matches across North America.But the expanded scale comes at a cost. Ticket prices are far higher than at the last World Cup in Qatar. With matches ...  Show more

Chennai, São Paulo, Mexico City, Tehran, Cape Town - these cities have all faced the threat of a ‘Zero Day’, or, having no fresh water left in their taps. The UN says we’re entering a ‘water bankruptcy’ era, meaning our water ‘current accounts’ are running empty, while our ‘savin ...  Show more

It's a familiar feature of our oceans and beaches and yet its environmental impact has largely been overlooked. Now supporters say seaweed can help us address climate change by reducing our reliance on fertilisers, and by reducing the methane emissions produced by cows. On top of ...  Show more

For World Ocean Day, Gaia Vince finds out how the planet’s seas could help us to generate clean power, capture CO2 and feed the world. Gaia is joined in the studio by science journalist and marine biologist Olive Heffernan. She dives into the controversy regarding the potential o ...  Show more

The first license of its kind has been granted for deep-sea mining. It will be used to run early tests to see whether the seabed could be good place to harvest rare earth materials in the future. These earth minerals are what powers much of our modern technology, and the demand i ...  Show more

The ocean covers over 70% of the Earth’s surface and can hold more than 150 times the amount of carbon dioxide as air. Around a quarter of CO2 emissions created by human activity each year is absorbed by them. From phytoplankton to whales to seagrass meadows we explore how thi ...