TechXplore travels the world to see destinations through the prism of technology and to meet the people at the front line of innovation. This time, tech-loving traveller Paul Carter explores Japan to find out how the drive to become more sustainable is leading to some exciting world-leading developments there - from underwater drones servicing offshore wind farms to discarded sea pineapple shells being used to generate electricity. Also, Paul meets fashion influencer and J-Pop icon Manon, and faces up to his fear of spiders to discover how one startup is taking inspiration from nature to help fashion to become more sustainable in the future.