'I dare you': Swedish teen storms Davos with message about climate change

Greta Thunberg has galvanised protests by high-schoolers in demanding stronger government action to fight global warming.

China's slowdown and Brexit took centre-stage Wednesday at the Davos forum of the world's business elite, but the unlikely star was shaping up to be a Swedish teenager whose demands for climate action are inspiring schoolchildren across the world.

The annual World Economic Forum (WEF) is taking place this week in a global context of rising populism and concern for the catastrophic consequences of climate change.

Arriving by train--rather than a more polluting plane--to Davos on Wednesday was Greta Thunberg, the Swedish 16-year-old who has galvanised protests by high-schoolers in Europe, Japan and the United States demanding stronger government action