Peter Singer’s TED talk was just published on Effective Altruism. He cites numerous examples of a global movement to combine the head and the heart – making rational choices to benefit the lives of others. I felt particularly inspired by 80,000 Hours, a nonprofit that provides career advice to maximize your altruistic impact on the world. The name is a reference to the number of hours one typically spends in a career over the course of a lifetime.
Here are a few other great resources