A world-leading climate change target up to the early 2030s is set to be confirmed by the British government. Ministers are expected to announce that the UK will cut carbon emissions by 57% by 2032, from 1990 levels. The announcement will help reassure the investors needed to overhaul the UK’s ageing energy system. The energy industry will be relieved after cuts in renewables subsidies and the vote to leave the EU, which influences so much…