The main developer behind the Cambo oil field is ultimately owned in an offshore tax haven, which could deprive the UK of tens of millions of pounds.
The Scottish Government's wildlife agency licensed the killing of 115 beavers in Tayside in 2020, sparking angry criticisms from campaigners.
The Royal Navy has refused to say whether anyone was disciplined following an incident in which a nuclear submarine nearly crashed into a ferry.
At least 25 beaches across Scotland have been contaminated with sewage in breach of safety limits in June and July.
More than a hundred executives with links to industries blamed for pollution were permitted to take part in vital international talks to combat climate change.
A Scottish Government watchdog has been caught advising a pesticide company on how to avoid disclosure under freedom of information law.
Scotland’s biggest private landowner secretly lobbied the Scottish Government to stymie plans for a spaceport in Sutherland.
Campaigners say Scotland’s renewable energy wealth is being “looted” by international tax avoiders, and millions in profits “siphoned overseas" into tax havens.
A ruling allowing the Ministry of Defence to keep nuclear safety problems secret has been condemned as a threat to democracy, with “devastating” accident risks.