Omid Scobie denies in a BBC interview claims a version of his book deliberately identified two royals.
It would cost about $30bn (£24bn) and take a decade, the Environmental Protection Agency says.
How health care happens behind bars in Scotland's prisons.
Philippe Clement experienced nerves among his Rangers team and the Ibrox crowd in the 1-1 draw with Aris Limassol.
Engineers have been working throughout the past month to repair cracks in the surface of Edinburgh Airport's runway.
Manchester United join race for Estevao Willian, Jota wants to join ex-boss Ange Postecoglou, plus more.
A foiled murder plot in the US has links to a case which sparked Canada's diplomatic row with India.
Jon Bridge says he "grew up smelling the hops and the malt" and remembers his first pint.