By Sarah Woods. What if we can't limit global warming to two degrees? What if it reaches four degrees - or more? Three real-life climate change experts spin one average family into the future, to look at life on a warmer planet. With Professor Kevin Anderson, Mark Lynas and Dr Emma Tompkins. Ian ...... Don Gilet Sue ...... Kate Ashfield Chloe ...... Amber Beattie Jack ...... Ryan Watson Grandad Bill ...... Bruce Alexander Louisa ...... Melissa Advani Narrator ...... Emerald O'Hanrahan Directed by Jonquil Panting.