Pollution has been linked to nine million deaths each year worldwide, according to a report in The Lancet.
The BBC's Aaron Heslehurst explains how the paper clip became a million dollar idea and inspired a resistance movement.
The comedian is among the second round of names announced for the Dumfries festival in January.
The 63-year-old has been missing for three weeks after setting out on a 104-mile cycle along the A82.
George W Bush did not mention Donald Trump by name, but he had a message for the 45th US president.
Westminster's Scottish Affairs Committee is to look at how Brexit might affect immigration in Scotland.
Marine Harvest confirmed that two sites in Loch Erisort have been hit by the bacterium Pasturella Skyensis.
Sir Michael Fallon claimed no other industry had as much certainty as shipbuilders on the Clyde.
Scientists said growing cornea cells into a dome-shape had "never been seen before".
