The highly skilled programmers needed to do the job don't exactly grow on trees.

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You make it plain, though, that money does not grow even on tropical trees or in holes in the ground, whatever their contents.

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On the other hand, trees grow very slowly in the Icelandic climate.

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The key to future space travel lies in biotechnology, not propulsion technology, say experts who have suggested GM trees could grow their own greenhouses on Mars.

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Money has also been spent on persuading poppy farmers to grow alternative crops, like fruit trees or saffron.

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But this is only ever a temporary home because trees grow and produce shade, so the beetles have to move on every few years.

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The people on the island a lovely, verdant place where all trees, including olives, grow much taller than elsewhere in Greece are deeply divided over the practice.

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"We are working on four small scale forest projects with local community groups to grow and plant over 1, 000, 000 trees to re-store the tree cover in an area now vulnerable to landslides, " he added.

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