Comme l'écrit sir Nicholas Stern dans son document intitulé Stern Review on the Economics of Climate Change, le monde est placé devant un choix clair : payer des milliards dès maintenant pour ralentir les changements climatiques ou payer des billions plus tard pour s'y adapter.
As set out by Sir Nicholas Stern in his paper entitled Stern Review on the Economics of Climate Change, the world has a clear choice: Pay billions now to slow climate change or pay trillions later to adapt to it.