[…] a situation in which individual users, who have open access to a resource unhampered by shared social structures or formal rules that govern access and use, act independently according to their own self-interest and, contrary to the common good of all users, cause depletion of the resource through their uncoordinated action.

(“Tragedy of the Commons” 2022)

“Tragedy of the Commons.” 2022. Wikipedia, March. https://en.wikipedia.org/w/index.php?title=Tragedy_of_the_commons&oldid=1076616212.