On 12 December 2015, nearly 200 countries adopted the Paris climate agreement. It legally committed countries to climate action plans, designed to stop global temperatures rising 2C above pre-industrial levels. Those commitments have influenced government policy and people's lives ever since.

Christiana Figueres was head of climate negotiations at the conference. She speaks to Ben Henderson about the drama behind the scenes, including bomb threats and a last-minute change that nearly derailed the entire agreement.

Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more. Recent episodes explore everything from the death of Adolf Hitler, the first spacewalk and the making of the movie Jaws, to celebrity tortoise Lonesome George, the Kobe earthquake and the invention of superglue. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: Eva Peron – Argentina’s Evita; President Ronald Reagan and his famous ‘tear down this wall’ speech; Thomas Keneally on why he wrote Schindler’s List; and Jacques Derrida, France’s ‘rock star’ philosopher. You can learn all about fascinating and surprising stories, such as the civil rights swimming protest; the disastrous D-Day rehearsal; and the death of one of the world’s oldest languages.

(Photo: Christiana Figueres celebrates after the adoption of the Paris Climate Agreement. Credit: Francois Guillot/AFP via Getty Images)

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