G20 and world leaders need to take resolut actions on the climate change, as it impacts stratospheric warming events. The consequences of this warming will spread slowly into the troposphere and can, over time, disrupt the jet stream that influences our weather on the surface. A weakened jet stream can help in the development of large “blocking” areas of high pressure. Should high pressure build across Scandinavia, it can feed very cold polar air from the east into western Europe and towards the UK. https://www.theguardian.com/environment/2023/feb/17/weather-tracker-world-braces-for-sudden-stratospheric-warming-event?CMP=Share_AndroidApp_Other