The Swede rose to fame three years ago after her school strike campaign for climate change.
Greta Thunberg celebrated her 18th birthday on Sunday January 3.
The environmental activist celebrated the occasion on Twitter with a message tinged with irony in which she thanked her subscribers for all the greetings received on her birthday.
"Tonight you will find me at the local pub exposing all the dark secrets behind the climate conspiracy, the school strike and my evil managers who can no longer control me!"
I am finally free!
"
, she writes.
An allusion to its many detractors who accuse it of being manipulated by prophets of doom, others of being paid by a "green lobby".
In the photo that accompanies her tweet, she poses thumbs up wearing a "Flat Mars Society" sweatshirt in reference to the Flat Earth Society, famous "Platist" organization.
Two years after the start of the mobilization against climate change, Greta Thunberg has returned to school.
She had taken a sabbatical year to defend the cause of the climate around the world and to go to the COP25 scheduled in Santiago de Chile.
At the start of 2021, the activist intends more than ever to continue her fight against climate change.
Last month, she called for urgent action five years after the Paris Agreement.
"Distant, hypothetical goals are set, big speeches are made, but when it comes to the immediate action we need, we're always in complete denial and we're wasting our time with new loopholes, words empty and creative accounting
,
”
she denounced five years after signing the agreement.
In November, she took revenge this time on Donald Trump, after calling for a vote for her opponent.
