Greta Thunberg is a Swedish environmental activist who gained international recognition for her work in advocating for action to address climate change.

Thunberg began her activism in 2018, when she started protesting outside of the Swedish parliament at the age of 15, calling for stronger action on climate change.

Thunberg's activism has inspired a global movement of youth-led protests, known as "Fridays for Future," in which students strike from school to demand action on climate change.

Thunberg has been nominated for a Nobel Peace Prize and has received numerous awards and accolades for her activism.

In 2019, Thunberg was named one of Time magazine's "Most Influential People" and was included on Forbes' "30 Under 30" list in the category of "Law & Policy."

Thunberg has spoken at the UN Climate Action Summit and the World Economic Forum and visited with the pope and the queen of Sweden.

Thunberg has been diagnosed with Asperger syndrome and has said that this diagnosis has helped her focus on her activism and "speak truth to power."

Thunberg is vegan and has said that she made the decision to stop eating meat and dairy products in order to reduce her carbon footprint.

Thunberg has been the target of criticism and misinformation from those who oppose her activism and message.

Thunberg will continue to push for climate action and has urged governments and individuals to cut greenhouse gas emissions and address climate change impacts.