24 hours on Earth -- in one image | Stephen Wilkes

Take action on climate change at . “Nature reveals itself to us in unique ways, if we stop and look at the world through a window of time,“ says photographer Stephen Wilkes. Using a special photographic technique that reveals how a scene changes from day to night in a single image, Wilkes exposes the Earth’s beautiful complexity and the impacts of climate change — from the disruption of flamingo migrations in Africa to the threat of melting ice — with unprecedented force. This talk was part of the Countdown Global Launch on . (Watch the full event here: ) Countdown is TED’s global initiative to accelerate solutions to the climate crisis. The goal: to build a better future by cutting greenhouse gas emissions in half by 2030, in the race to a zero-carbon world. Get involved at