Guardian: The environment secretary, Hilary Benn, today said that the UK is making progress on cutting greenhouse gas emissions, but he admitted that "major change" across the economy was necessary if the UK was to meet the targets set in the climate change bill. Provisional statistics published for total UK greenhouse gas emissions for 2007 showed a drop of 2% over the previous year, with 639.4m tonnes CO2 equivalent, down from 652.3m tonnes in 2006. Net emissions of CO2 were …