Guardian: The British government’s commitment to raise the UK greenhouse gas emission reduction target in the Climate Change Bill from 60% to 80% by 2050 is rightly ambitious. But is this yet another unrealistic green target? The answer is yes. Many businesses, investors, green groups and policy wonks have very little confidence in the government’s ability to put policies in place to meet our 2020 EU emission target, let alone an 80% reduction by 2050. Part of the reason for this is that …