I guess I work in small ways. It's kind of like this story someone told me, about a guy on the beach in Mexico throwing starfish in the sea. Thousands had washed ashore. Someone asked him why - 'Why are you wasting your time, when there are so many? You can't possibly make a difference.'"

"I know that story! The man threw another one back, and said -"

"'Made a difference to that one!'" Rowan finishes.

Autore: Kirsten Hubbard