Recycling thermal pollution can contribute to a healthier planet

What comes to mind when thinking of pollution? Probably not thermal pollution, heat that accumulated in the ground for example because of urbanization, industrialization, and climate change. Recycling this heat can contribute to a healthier planet: https://medium.com/age-of-awareness/4-reasons-why-it-can-be-worth-recycling-thermal-pollution-38ae7e77bfe0

Example of heat pollution in Edinburgh, Scotland, with red indicating higher temperatures (credit: “Edinburgh photo heatmap” by Steven Kay is licensed under CC BY-SA 2.0)