December 6, 2022January 31, 2024 threadinburgh The thread about Edinburgh’s 1970s Interceptor Sewers – the great untold engineering feat that cleaned up the Firth of Forth
November 30, 2022January 31, 2024 threadinburgh The thread about the problems of sewage disposal in 19th century Edinburgh and Leith, and how something was done about it
October 27, 2022February 1, 2024 threadinburgh The thread about the East Foul Burn; a long-forgotten Edinburgh stream that was the centre of a vast sewage-based agribusiness