Fridays for Future activists gathered in Washington DC for a mock funeral for the climate.

Fridays for Future activists gathered in Washington DC for a mock funeral for the climate.

Fridays for Future activists gathered in Washington DC for a mock funeral for the climate.

Youth take part in a demonstration calling for action against climate change, in New Delhi

Youth take part in a demonstration calling for action against climate change, in New Delhi

In New York protestors demand transformative Climate Action. A number of members of the group were arrested for blocking traffic.

In New York protestors demand transformative Climate Action. A number of members of the group were arrested for blocking traffic.

A "Youth for climate" activist holds a banner reading "Black friday: 60% off on biodiversity" during a demonstration against the Black Friday event in Bordeaux

A "Youth for climate" activist holds a banner during a demonstration against the Black Friday event in Bordeaux

Swedish youth climate activist Greta Thunberg sits next to a placard reading "school strike for climate" on the sidelines of the World Economic Forum (WEF) annual meeting, on January 25, 2019 in Davos, eastern Switzerland.