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Greening the Sea

Dive into the future by exploring how seaweed can restore our oceans, fuel new industries, and transform the way we eat, live, and protect the planet.

Seaweed is more than just something you find at the beach—it’s one of the planet’s most versatile and sustainable resources. From restoring marine habitats and improving water quality to providing a nutritious food source and even reducing livestock emissions when used as feed, seaweed is emerging as a game-changer in tackling some of our biggest environmental challenges. Around the world, innovators and researchers are exploring how this humble ocean plant could help create a more sustainable future.

In this challenge, you’ll investigate how seaweed can be grown, harvested, and used in new ways. Could it be farmed at scale to help reduce climate impacts? How might we design technology to grow seaweed more efficiently? What products or industries could it transform? By diving into this theme, you’ll take on real-world questions about food, energy, and conservation, while shaping ideas that could change how we live and eat in the future.