Guardian: Is business as usual good enough? That question, or more sophisticated versions of it, is asked of two issues more than any other: energy and climate change. Both are huge challenges and both come with a deadline. Nuclear power straddles the two, since it inevitably forms part of the answer to Britain’s energy needs and produces far less carbon emissions than gas or coal. So yesterday’s collapse of a key part of the government’s nuclear strategy was chalked up by many as yet another defeat …