The correct answer to this open question is the following.
Although the question does not include options, we can answer the following.
A modern equivalent of the tragedy of the commons could be fishing. Yes, when fishermen tried to fish more and more to make more profits, putting in danger some fishes species, this could be the equivalent in modern times.
The Tragedy of the Commons means that people or in modern terms, companies, deplete common of shared resources just because they want to outplay the competition, or for the sake or generate more income and dominate the market, not knowing that they are risking the limited resources.
