When one can circle the globe in less than the time of incubation of most infectious pathogens, it is clear every country relies to some extent on the health systems of other countries to prevent and protect their citizens from global health threats. Therefore, creating and maintaining a good...

There is a low but uncertain probability that climate change could trigger "mega-catastrophes," severe and at least partly irreversible adverse effects across broad regions. This paper first discusses the state of current knowledge and the defining characteristics of potential climate change...