Part 4: Want to do good? Here’s how to choose an area to focus on.

Answer: To maximise your impact, work on areas (1) that are large in scale, (2) that others neglect, and (3) where it’s possible to make progress. Many people fail to compare the scale of different problems, work on the same problems as everyone else, and support programmes with no evidence of impact.

In this article we explain how to compare global problems.