Climate change is affecting harvests around the globe. But seaweed is one of the few food crops that have a positive effect on the environment. 

It’s also high in protein, making it a promising substitute for meat and an even more sustainable alternative than soya.

Seaweed also has potential in pharmaceuticals and as a substitute for some plastics, reducing the use of fossil fuels that are a main cause of climate change.

To find out more, listen in to UN Trade and Development’s David Vivas for how this versatile plant could transform many parts of our lives.

BBC credit