Telegraph: The Global Warming Polilcy Foundation (GWPF) was launched by Lord Lawson, the former Chancellor of the Exchequer, last week to “help restore balance and trust” in the climate change debate. The think tank was set up in the wake of the ‘climategate scandal’ that saw scientists at the University of East Anglia’s Climatic Research Unit (CRU) accused of manipulating climate change data. However it has now emerged that a graph used by the GWPF on its website was …