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Why the Arctic land grab is all about energy.
Jon Snow on why the treasure at the centre of the Arctic Cold Rush is energy.
"I know this is a very odd request but would you mind if I used your walk-in freezer for 24 hours or so?" - the things we have to ask to make ideas work, blogs Jane Kinney
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There's now an easier way to watch Channel 4 News when you want to.
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Cold Rush
