Eventually yr’s United International locations local weather alternate talks, no longer many of us knew who Greta Thunberg was once.
However within the ultimate 12 months, her college moves have impressed tens of millions to do the similar and to name for extra motion on local weather alternate.
Now the teenager is again, for this yr’s Convention of the Events (COP) in Madrid.
The BBC has adopted her adventure from the start.
Video by way of Laura Foster