‘We are going to solve the climate crisis. I have no doubt’

Twenty years ago, the film An Inconvenient Truth followed The Climate Reality Project founder and former US vice president Al Gore in his campaign to spread the word about climate change. That groundbreaking documentary helped usher climate science into the mainstream. Here, Al Gore shares some reflections on what has changed in the past 20 years - and why he believes that humanity will ultimately triumph over this challenge.