Contributing cash to excellent causes is a foolproof way to assist charities, but you do not need huge resources to help make the world a better place.

There's no denying that the world is a complex place, filled with problems far too big for a lot of us to even comprehend, not to mention help to repair. It's human to feel dejected, or perhaps depressed, about the state of the world as the constant barrage of bad news threatens to overwhelm us, and we discover ourselves ever more…