Duncan Macmillan: theatre at its best is an intervention
His plays examine parenthood (Lungs), depression (Every Brilliant Thing) and climate change (2071). The motivation, says Duncan Macmillan, is to say something that isn't being said"There's nothing I can do in my life to compensate for the fact that the world would be better without me in it," says Duncan Macmillan, smiling over his coffee. It's a bleak statement, but one that the writer and director explains is groun…