Air pollution from exhaust fumes has increased on streets in Inverness, Glasgow, Edinburgh, Dundee, Falkirk and Perth, according to the latest government monitoring.
The Scottish Government has backed a bid by the Grangemouth petrochemical giant, Ineos, to resist tough new restrictions on noise pollution from flaring.
Glasgow's biggest bus company is ignoring an £8 million Scottish Government fund to stop toxic exhaust fumes polluting city streets.
Busy streets in Glasgow, Edinburgh and Dundee are being polluted by exhaust fumes in breach of legal safety limits introduced in 2010, according to the latest government monitoring.
Pollution from vehicle exhausts is “devastating” the fragile wild plants that cling to the artic summits of Scotland’s highest mountains, say conservationists.