Britons will have to fly less, eat less meat and use public transport more often to hit Net Zero goals, the Government's main climate-change advisers have insisted. The stipulations outlined to MPs today directly contradict promises by Sir Keir Starmer earlier this month that reducing greenhouse gas emissions would not involve people in Britain having to change their lifestyles. New targets mean the UK's emissions should be cut to 81 per cent of 1990 levels by 2035. New targets mean the UK's emissions should be cut to 81 per cent of 1990 levels by 2035. Speaking at the Cop29 summit...