How seaweed is surprisingly useful

海藻竟出人意料地有用

People Fixing the World

2025-07-29

23 分钟
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单集简介 ...

From powering cars to feeding farm animals, how using seaweed more can help the planet. We hear how a local business in Barbados is using sargassum seaweed to power cars, providing an eco-friendly alternative for islanders and potentially helping to clear the beaches of smelly seaweed. Also we visit the European company aiming to replace single-use plastics with seaweed-based packaging. And how feeding seaweed to cattle can dramatically cut emissions of planet-warming methane gas. People Fixing The World from the BBC is about brilliant solutions to the world's problems. We release a new edition every week. We'd love you to let us know what you think and to hear about your own solutions. You can contact us on WhatsApp by messaging +44 8000 321721 or email peoplefixingtheworld@bbc.co.uk. And please leave us a review on your chosen podcast provider. (Image: A person holding clumps of dulse seaweed in Canada, James MacDonald/Bloomberg)
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  • You know what guys, I'm guilty.

  • I'm one of those people who watches a good movie or listens to a good song and always shares it.

  • But I think you could do the same just with this podcast.

  • If you like it,

  • go ahead and share it with one other person and remind them to subscribe so that they never miss an episode.

  • Now let's get into today's solutions.

  • Welcome to People Fixing the World from the BBC World Service with me, Myra Anubi,

  • where every week we find out about big ideas that are taking us one step closer to a better world.

  • Now get ready, because today we'll be feeding cows in Canada,

  • driving taxis in Barbados and even munching on water bottles here in the UK,

  • yes, actually eating them,

  • as we learn about some of the many surprising ways that seaweed is saving.

  • our planet.

  • In every sea and ocean around the world, from the equator to the Arctic,

  • and from the shallowest waters to the very limits of where light can reach, grows seaweed.

  • Often growing in vast underwater forests,

  • this abundant resource has been used by humans

  • since ancient times to make everything from fertilizer,

  • food and medicine.

  • But In recent decades,