Campaigners say Scotland’s renewable energy wealth is being “looted” by international tax avoiders, and millions in profits “siphoned overseas" into tax havens.
The leaders of the five largest parties in the Scottish Parliament tussled over issues which have dominated the campaigning ahead of May's election.
A claim by Conservative party politicians that Brexit let the UK Government end "pulse fishing" is Mostly True.
Ten oil companies are planning to invest £6.8 billion in six major new projects in the North Sea in breach of international targets to cut climate pollution.
Increasing sales of North Sea oil assets to unlisted private companies have raised concerns over transparency and accountability in the sector,
Ferret Fact Service looks at the recent GERS report, and what it tells us about Scotland's deficit.
Nicola Sturgeon is under pressure to set up an independent inquiry into safety at North Sea oil rigs after incidents on the Elgin platform.