Social media posts have claimed that Greta Thunberg's net worth is around 18 million USD, with alleged ownership of 9 cars and 6 house properties. However, upon investigation, the origin of these claims has been traced to unreliable sources, and the accuracy of this information is highly questionable.

Various websites have provided conflicting information about Greta Thunberg's wealth, with some claiming amounts ranging from 1-2 million USD to 100,000 dollars. These claims have been debunked, emphasizing the need for information from reputable sources such as Forbes to accurately assess her financial standing.

Greta Thunberg's financial status is often misconstrued due to her winning the first edition of the Gulbenkian Prize for Humanity in 2020, where she was awarded one million Euros. Yet, it's crucial to note that she announced her intention to donate the entire award amount to charitable projects addressing the climate and ecological crisis, particularly in severely impacted regions.

In a 2022 interview, Greta Thunberg explicitly clarified that she does not derive income from her advocacy work and operates on a student grant intended for her university education, dispelling notions of accumulating wealth through activism.

Greta Thunberg's main sources of income include book agreements, accolades, and prizes, all of which she regularly donates to humanitarian organizations. Her commitment to climate advocacy over material success is evident through her decision to donate all the money she makes from her books to environmental and humanitarian charities, with her upcoming book, "The Climate Book," following this pattern.

Greta Thunberg's unwavering dedication to her cause is reflected in her rejection of traditional income avenues such as endorsements and salaried positions, prioritizing independence and integrity in her activism. By forgoing these avenues, she avoids potential conflicts that could compromise her message or advocacy.

There is no public record of the exact sum of money Greta Thunberg has inherited from her parents or grandparents, with Swedish income tax records showing no evidence supporting her inheritance of millions of dollars. Contrary to falsely reported millionaire status, her family has constantly supported her mission, and Greta herself has emphasized that she does not perceive herself as an influencer and does not indulge in typical perks associated with fame.

Addressing a conspiracy theory suggesting a secret fortune exceeding $1 million, Greta Thunberg refuted such claims, clarifying that the theory likely originated from winning an award worth €1 million, dispelling any notions of undisclosed wealth.

Greta Thunberg's role as a prominent climate activist involves substantial costs related to her travel, accommodations, and participation in events around the world. Her influence extends far beyond her home country of Sweden, with her commitment to minimizing the carbon footprint of her travels through carbon-neutral transportation methods.

Greta Thunberg's impact on the world's understanding of climate change extends beyond financial metrics, leading to measurable changes in awareness, policies, and global discussions around environmental issues.