The Most Good You Can Do: How Effective Altruism is Changing Ideas About Living Ethically

by Peter Singer,
The Philadelphia Inquirer, April 19, 2015

After establishing trust funds for his wife and children, Zell Kravinsky is living on $60,000 a year so he can give most of his $45 million real-estate fortune to charity. He has also donated a kidney to a stranger. Studies show that the odds of dying from the procedure are about 1 in 4,000; Kravinsky claims he can't justify valuing his life at 4,000 times that of a stranger.

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