In Boston, by contrast, only 37% of workers leave unused vacation time on the table.

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It rests with men whether they will make the proper use of the rich treasure with which this knowledge provides them or whether they will leave it unused.

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The ECJ has also ruled that the long-term sick have the right to accumulate at least a year of unused annual leave.

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So why is it that 48% of Americans leave half their vacation days unused, and a third of workers eat lunch at their desks?

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For Shell, Exxon et al to hoard oil underground would be to leave billions of dollars of investment languishing unused.

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