as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
i have about 20 000 usd. how can invest them to do good in the world?
user
there isn't going to be one right answer, but lesswrong has some posts on effective altruism you might find helpful. they also link to a ted talk
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