Eleven years after its release, An Inconvenient Truth, the iconic climate documentary, has spawned a sequel. But did the original do more harm than good by polarizing Americans on climate change?
Taking inspiration from the spread of world religions, Quentin Atkinson and Shaun Hendy argue scientists need to do more to signal commitment to ideas they want to spread.
Al Gore's An Inconvenient Truth woke up the world to climate change. But with its sequel hitting cinemas now, it's not clear that 'big issue' documentaries make a difference in the long term.
Climate scientist Mark Maslin interviewed the former US vice-president about his new film, An Inconvenient Sequel.