Greta Thunberg has appealed for help to retrace her steps back across the Atlantic, after the UN climate conference that she travelled to Chile to attend was relocated to Spain.
The teenage climate activist refuses to fly because of the carbon footprint of air travel, so made her way to environment summits earlier this year by boat in a highly-publicised crossing from England to New York.
She was due to appear at the UN global climate meeting in Santiago, having travelled down from the US entirely by train and bus, but the event was cancelled by Chilean president Sebastian Pinera after weeks of unrest in the country.
It will now be held in Madrid over the first two weeks of December, meaning Miss Thunberg needs to find a way back to Europe.
She tweeted: “It turns out I've travelled half around the world, the wrong way.
“Now I need to find a way to cross the Atlantic in November...If anyone could help me find transport I would be so grateful.”
Miss Thunberg, who is from Sweden, has inspired tens of thousands of young people to demand government action on environmental issues by striking from school each Friday.
The 16-year-old voiced regret about not being able to visit Central and South America as planned, saying she had been looking forward to doing so.
“But this is of course not about me, my experiences or where I wish to travel. We're in a climate and ecological emergency,” she said.