Circa 3000 BC, the Neolithic settlement of Skara Brae in Orkney, Scotland, featured stone houses equipped with early examples of indoor toilets. These small rooms had drains connected to communal systems, showcasing advanced sanitation practices for the time. The development of such facilities reflects the ingenuity of prehistoric societies in managing hygiene and public health, providing insights into the daily lives of early humans and their adaptation to their environment.

The discovery of indoor toilets at Skara Brae reflects early human ingenuity and hygiene practices, which have inspired modern eco-poetry. Poets today often explore humanity's relationship with nature and waste, drawing parallels between ancient practices and contemporary environmental concerns.