Following the Copenhagen international climate negotiations in December, many people are asking themselves what happens now. Was the Copenhagen conference a failure? What lessons can be drawn from the outcome of the conference? Next time, what should we do more of, what should we do less of?

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, Emma Tompkins (formerly of the Tyndall Centre) and Mark Lynas contributing to this innovative Radio 4 play on climate change