Say it quietly, especially when there’s a Green listening: but there’s one certainty about Net Zero 2050. It won’t happen. As any honest MP will admit in private, it is stymied not only by the need to keep the lights on following the Ukraine energy shortage, but also for another reason: because no democratic majority will tolerate the cutbacks in their quality of life necessary to maintain the headlong dash to carbon neutrality in 27 years’ time.