Activists set sail across the Atlantic to Chile to demand curbs on flying

Sailing ship leaves Amsterdam for COP25 climate summit with 36 campaigners on board

A group of environmental activists have set sail from Amsterdam on a seven-week voyage to South America to attend the UN climate conference.

It had been raining on the Amsterdam waterfront on Wednesday but the sun came out in the early afternoon as a small crowd waved farewell to the 36 activists and five crew on the boat.