Greta Thunberg told world leaders on Friday that they "haven't seen the last" of climate activists , as she marched with hundreds of people in the western Swiss city of Laussane ahead of the World Economic Forum in Davos, Switzerland, next week.

The 17-year-old Swedish activist, who launched the Fridays for Future movement, will urge world and business leaders in Davos to enact stronger policies.

Code: FD10BET. New players now get a 50% up to €100 First Deposit Bonus!

More videos