we report from the arctic circle, which is warming more quickly than any other place on earth. president putin warns that the coming decade will be the most dangerous and unpredictable since the end of the second world war. elon musk claims he s buying twitter to help humanity as the deadline approaches for him to complete the deal. and why british schools that try to ban pupils from wearing their afro hair in certain styles are likely to be breaking the law. black people are disproportionately affected by hair discrimination in the workplace and at school according to the equality and human rights commission, and the lasting impact in many cases can be devastating. welcome to the programme. there s been another grim warning from the un that there s no credible way of limiting the rise in global warming to one of the key thresholds. a new report talks of woefully inadequate action by the world s governments to keep the increase below 1.5 degrees celsius. as leaders prep