“I could fly to New York and back every day for seven years and still not leave a carbon footprint as big as if I have a child.

Ten thousand tonnes of CO₂. That's the weight of the Eiffel Tower. I'd be giving birth to the Eiffel Tower.”

What does it mean to build a future together when the world feels uncertain?

Duncan Macmillan’s "Lungs" follows a couple as they navigate love, commitment, climate change and the question of whether to bring a child into an uncertain world.

Funny, intimate and deeply human, the play explores the choices we make – and what it really means to build a life together.