The Cold Sun: Why The Climate Catastrophe Won't Happen

For years he promulgated the IPCC’s key message. Now, the former environment senator and manager Fritz Vahrenholt has had a change of heart. In this interview, he explains his change of opinion.

In his new book "The Cold Sun. Why the climate catastrophe will not happen," Professor Fritz Vahrenholt, former environment senator and CEO of RWE Innogy, outlines his thesis that global warming will be significantly less substantial than previously thought. By the end of the century, he believes, there will be just an increase of one degree Celsius. The influence of the sun on the Earth's climate, however, has been significantly underestimated until now.