john in glasgow got in touch to ask about the impact in other countries, because he had particularly been interested in the reports from india, which said you could see the himalayas from delhi. professor grubbyas with climate change itself, they are distinct, but they are linked through fossil fuels, and it is an example of how widespread ina way it is an example of how widespread in a way pollution has become an ubiquitous that people kind of forgot they could see the himalayas at those distances. but you look back at travelers tales, they talk about mountains that took two or three days solid walking to reach, and in some parts of the world we are seeing that again. it is remarkable, isn't it? we have had an awful lot of questions and queries about effectively policy and governments and how they will respond to all of this, given the extraordinary scenes you have both just described. so i'm going to try and put a number of questions together, but this one from lesley booth in bristol is quite representative of the sort of things that viewers are asking. she says now that we have seen this difference in the environment, do you think the government will make changes to how we live, in order