 Complete the following phrase:  He is also invited by mass media on a regular basis to talk about the role of human activity in global warming. In November 2009, he published a new book New Climate on Earth: Understanding, Predicting, Responding in French, ed. Flammarion. In this book, he predicts that due to emissions well beyond the worst case scenario considered by IPCC projections, a rise in temperatures between 4 and 6 degrees by the end of the century, depending on the selected model. The 