Famine, Affluence, and Morality
"Famine, Affluence, and Morality" is an essay written by Peter Singer in 1971 and published in Philosophy & Public Affairs in 1972. It argues that affluent persons are morally obligated to donate far more resources to humanitarian causes than is considered normal in Western cultures.
Source: Wikipedia — Famine, Affluence, and Morality (CC BY-SA 4.0)