But how can you photograph something as slow as a vast ice sheet shrinking across the decades or the gradual warming of the oceans? Climate change and the connected biodiversity crisis present humans with an existential threat, the most challenging issue of our times. The Earth has warmed by more than 1C since the Industrial Revolution, the last decade the hottest on record. Oceans" temperatures have risen in the last 50 years by around 0.5C, the rate of warming increasing. Antarctica loses around 130 gigatons of ice per year. But how can an isolated fragment of time tell the story of this almost imperceptible process of incremental change?