We’ve spent much of the last eight years trying to answer a simple question: what are the world’s biggest and most urgent problems?

We wanted to have a positive impact with our careers, and so we set out to discover where our efforts would be most effective.

Our analysis suggests that choosing the right problem could increase your impact over 100 times, and so be the most important decision you ever make.

In trying to answer this question, we’ve had to tear up everything we thought we knew, and then again more than once.

Here, we give a summary of what we’ve learned: For instance, why ending diarrhea might save as many lives as world peace, why artificial intelligence might be even more important, and what to do in your own career to make the most urgent changes happen.

Read the full article about addressing the world's most pressing problems by Benjamin Todd at 80000 Hours.