The young people who have turned out today are amazing. Greta is, to me, a hero. I watched a recording this evening of Billy Connolly's last tour of America. He was there on the Woodstock site with three "veterans" of Woodstock. He mused that Woodstock had changed the world. Well I love Billy and admire his uncanny ability to celebrate the small things. But Woodstock changed nothing. The Woodstock generation, which includes me (I was 18), have screwed this world up big-time, in all manner of ways including climate change. I look at those kids on the telly tonight and I cheerfully suspend my usual cynical view that it's unwise to work with children and animals. The children are bloody brilliant, and I am ashamed.