More than half a million tonnes of sewage sludge spread on Scotland's fields
Huge volumes of sewage sludge have been used to fertilise Scottish farmland. Studies show it contains microplastics, forever chemicals and cancer-linked pollutants.
The SNP conference took place this week, with the party’s strategy on independence a central part of the agenda.
Nicola Sturgeon has resigned after eight years as first minister of Scotland. She has been in charge since November 2014,