A toxic pesticide that causes cancer was used by fish farms nearly 200 times over a three year period, despite fears it could harm the marine environment.
Environmental campaigners have been receiving legal threats, prompting claims that private companies and the state are trying to silence them with legal bills.
A controversial new ‘seal scarer’ device was covertly filmed at a fish farm supplying salmon to celebrity chefs and Selfridges, despite concerns it could be harmful to protected species such as dolphins and whales.
A dump for dead fish at a Hebridean beauty spot was condemned by Scotland’s green watchdog after plastics, gas canisters and other waste was illegally burned on site.
Salmon firm takes legal action against activist who covertly enters fish farms to film
The trade body representing Scotland's salmon industry has applied to have the word "farmed" dropped from salmon packaging, prompting claims of "greenwashing".
NatureScot granted a research licence to a private company to test new technology that will disturb dolphins, porpoises and whales at several sites in Scotland.
The seal was shot in the face last October at Wyre Marine Farm, Scapa Flow, which is run by Scottish Sea Farms, a company which farms salmon.
A former chief executive of the Scottish Salmon Company accused of spying on an activist is involved in plans for a major new fish farm in Grimsby.