Scientists at the University of East Anglia have admitted throwing away much of the raw temperature data on which their predictions of global warming are based. It means that other academics are not able to check basic calculations said to show a long-term rise in temperature over the past 150 years. The UEA’s Climatic Research Unit CRU was forced to reveal the loss following requests for the data under Freedom of Information legislation. The data were gathered from weather stations around the world and then adjusted to take account of variables in the way they were collected. The revised figures...