Greenpeace International has apologised to supporters after losing €3.8m through "ill-judged" attempts to play the currency markets.
Sterling has climbed to a four-year high against the dollar after the UK's jobless rate, one of the triggers for an interest rate rise, was breached.
An independent Scotland would be forced to write the rest of the UK a £143bn IOU for national debt, according to the National Institute of Economic and Social Research (NIESR).
The government plans to announce the launch of a new £1 coin in today's Budget, in an effort to combat counterfeiting.
Sterling will continue to strengthen this year as investors continue to price in an earlier-than-expected rate rise, according to currency group ECU's head of trading and execution.