Our climate is changing. The effect of carbon dioxide on our climate change was first considered in the 19th Century, but it wasn’t until the late 1980’s that we started to take its effect seriously. The Intergovernmental Panel of Climate Change was established to try and work out the effect of the burning fossil fuels on our climate. Cited as one of the world’s most influential scientific minds, Professor Gabi Hegerl’s career has been defined by our climate. She had a significant role on the Intergovernmental Panel and today still researches how our climate, of the last 1,000 years, has changed and how man has influenced it. But more importantly for Gabi is the answer to the question of what we can do to try and return out climate to its natural equilibrium and what the co-benefits of changing our behaviour might be to our health.