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The world's technology will increasly greatly and maybe they would produce transparent thin phones and holographic screens.
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Lesser people use cars and use more bicycles.
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The trees might run out soon and cutting down trees will be banned.
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The world might run out of fuels to get and we wouldn't have oil to use, that means we couldn't use cars and other mechanics that needs oil.
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Smoking is banned so lesser harmful gas is produced.
