If you’re lucky enough to live without want, it’s a natural impulse to be altruistic to others. But, asks philosopher Peter Singer, what’s the most effective way to give? He talks through some surprising thought experiments to help you balance emotion and practicality—and make the biggest impact with whatever you can share. Sometimes controversial, always practical ethicist Peter Singer stirs public debate about morality, from animal welfare to global poverty.
[TED Talk] Peter Singer on Effective Altruism
http://www.ted.com/talks/peter_singer_the_why_and_how_of_effective_altruism.html