Telegraph: Speaking at a Royal Society symposium, Ed Davey will argue that the science of climate change is "irrefutable" and man is making a "significant" contribution to rising global temperatures.
He will also attack man-made climate change deniers, claiming they "want us to take a huge gamble with the future of every human being on the planet, every future human being, our children and grandchildren, and every other living species."
The Lib Dem MP will say: "Two hundred years of good science -- teasing...