Tech Now
Tech Now revisits stories about technology that's helping the planet. Nick Kwek meets the Sydney-based start-up using robotics to clean up waterways. Adrienne Murray travels to the Arctic Circle to find out how a community in Svalbard is shifting to clean energy, and Paul Carter meets scientists trying to find ways to remove so-called 'forever chemicals' from the environment.
Tech Now airs on BBC News HD at 1:30 AM, Saturday 26 April.
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