around the world, people are looking to technology for clever solutions to tackle the challenges of climate change. i have come back to japan to visit some of the new world first projects that could pave the way to a sustainable future, both here and beyond. i am tracking down the inventors turning to the sea to meet our energy needs. visiting the countryside to see robots helping an older generation of rice producers. and vertical farming taken to a whole new level. i want to eat this! this is tecthlore japan. it s known for its megacities, butjapan is, above all, an island nation. hemmed in by the ocean on all sides, land is at a premium. that means when it comes to green energy, there is less room for the cheapest power source of all solar. actually, the biggest change we are seeing right now is the rapidly decreasing costs for solar. it would be more expensive to operate fossil fuels than solar in the near future. as i start my sustainable tech journey throuthapan, i am
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