net zero, and says he"clearly" hasn't made it a priority. net zero, and says he "clearly" hasn't made it a priority. here's justin rowlatt. the climate change committee's job is to mark the government's homework on climate, says chris stark, and he is marking rishi sunak down in dramatic fashion. the reason? in the autumn, the prime minister delayed a ban on petrol and diesel cars and watered down targets for phasing out gas boilers. we seem to have defaulted an approach which will impose unacceptable costs on hard—pressed british families, costs that no—one was ever really told about. here is what mr stark had to say about that. i think it set us back. so i think we have moved from a position where we were really at the forefront, pushing ahead as quickly as we could on something that i believe to be fundamental to the uk economy, fundamentally beneficial to the people living in this country, whether you care about the climate or not.