The speech is not just about global warming; it structurally replicates the sensation of drowning.
Cracking the Code of Duncan Macmillan’s “Lungs” – A Guide to the “I’m not a bad person” Monologue lungs duncan macmillan monologue
Lungs works because M is us—educated, anxious, loving, and frozen. The monologue isn’t about winning an argument. It’s about a man realizing that knowing better doesn’t mean doing better. If you can hold that contradiction in your voice and body, you’ll break an audience’s heart. The speech is not just about global warming;
In the aftermath of a miscarriage and the slow dissolution of their marriage, M’s monologues are stripped of W’s theoretical panic. They become grounded in the physical reality of loss. He forces W—and the audience—to confront the fact that while they were busy worrying about the theoretical death of the planet, they missed the actual life happening right in front of them. It’s about a man realizing that knowing better
: Early in the play, after M (the Man) suggests having a baby in an IKEA, W delivers a stream-of-consciousness response. She grapples with the idea that her "purpose on this planet" might be to have children, while simultaneously fearing it's just a "given" she accepted as a child playing with dolls rather than a conscious choice.