And another opportunity for me to point out that there is no such thing as the Tragedy of the Commons. Garrett Hardin, who popularized the term, has walked it back, and others, as long ago as the 1990s, have pointed out with a wealth of evidence that the popular conception of "the Commons" never actually existed. More or less all "pooled" resources in human cultures have historically been carefully managed by a variety of cultural, social, political and economic systems. The so-called "Tragedy of the Commons" happens not because typical individuals over-use the resource, but because specific individuals violate norms, actively work to dismantle management processes and willfully work to utilize the resource for their own benefit to the detriment of others.