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The Ice Hotel in Stockholm, Sweden
Sweden plans to generate all its energy from renewable sources by two thousand and forty. One business that's ahead of the game is the ice hotel, a permanent one and a temporary one. Its interior is made of ice and kept at a constant minus five degrees centigrade through solar powered refrigeration. Do you know someone challenging the way we produce, consume, or even think about food? The food changer. Looking for a global youth champion, aged 18 30. To nominate, go to b b c dot com slash food chain and click on for ward 20 22. Nominations are open until 23 m t on the eighteenth so s nachets (travellers)