Teen activist’s strong words for world leaders at Davos | Letter

Anne Taylor is impressed by 16-year-old's Greta Thunberg's speech at the World Economic Forum in Geneva

Jeremy Corbyn considered it wasting time at a "billionaires' jamboree", referring to a quarter of the cabinet flying to Davos in the middle of the Brexit impasse (The week that was, Environment, 26 January).

Greta Thunberg (Mountain mover, 26 January) clearly didn't think it was a waste of time. Taking 32 hours to get there by train, the 16-year-old activist practised what she preaches. What could be more important than the future of our planet? As she said in her speech: "Either we choose to go on as a civilisation or we don't."