> These tragedies of the common can only be solved by coordinating efforts, but the geopolitical situation means that is impossible for now Which efforts need

> These tragedies of the common can only be solved by coordinating efforts, but the geopolitical situation means that is impossible for now Which efforts need to be coordinated? > The fact that air travel accelerates transmission rates of novel diseases from remote parts of the world mean that these new diseases are a manifestation of harm done by the wealthy to the poor. How new/novel? Early 1900s? 1960s? 1980s? 2000s? > One interest aspect of these various outbreaks is that we now recognize that there are a lot more negative externalities to air travel that are not being priced in. Are all positive externalities priced in? How do the scales weigh positive and negative externalities? Seems like air travel also does a lot of good.