One of the most visible and large-scale contemporary global justice problems we face is that of global poverty. What ought we to do for the 1 billion or so people who currently live in poverty? (This is a huge area nicely canvassed in the entry on international distributive justice.) A few seminal arguments deserve mention here as well, however. In a classic argument Peter Singer describes a so-called easy rescue case in which an infant is drowning in a shallow pond. You happen by and can sa