the met office report comes as a new paper from the climate crisis advisory group, founded by the former driving changes in the jet stream in a way that influenced the recent weather extremes. professor king explained the current situation in the arctic circle region. it's very clear, if we look at what's happening... first of all, let me deal with the arctic circle region, where the temperature rise was about 3.5 centigrade last year above the preindustrial level, and this is that trend, it's rising faster and faster over the arctic circle region and the reason is basically very simple. we've seen a much faster loss of the sea ice covering the arctic sea over the last 20 years than the theoretical climate scientists were predicting, so that, today, during the arctic polar summer, which is, of course, a 24—hour summer, the period of the summer is about three months, centred around june 215t, we can see that the sea is exposed about 50% to the sunlight, so this means, whereas the ice was reflecting sunlight back into space, the sea is absorbing it and that region of the planet is now heat

chair of the climate crisis advisory group.us and most eu countries will no longer have to self isolate when they arrive in england, scotland or wales. but the changes — which will be introduced from four o'clock on monday morning — will not apply to visitors from france. northern ireland has not yet made a decision on the rule change. let's take a closer look at the changes which the government says will help to reunite family and friends whose loved ones live abroad. people who were fully vaccinated in the eu or us will not need to isolate when coming to england, scotland and wales from an amber list country. transport secretary grant shapps said it would apply to people who have been fully vaccinated with a jab approved by the eu or us. travellers will still need to take either a lateral flow or pcr test pre—departure and a pcr test on the second day after they arrive. let's have more from our political correspondent helen catt. so, helen, still a lot of questions for the government about this and the rationale behind this w