The actress was stumped when she was asked a question about the Swedish activist.
She suggested the 16-year-old climate change activist "live a little" before dedicating her life to campaigning.
Donald Trump and Greta Thunberg topped the table of the people who made the most impact on the world in 2019, according to YouGov.
Svante Thunberg also opened up about his daughter’s struggles with depression, saying she 'fell ill' three or four years before going on the school strikes that made her name.
US reality TV star Kim Kardashian heaped praise on Swedish teenage climate activist Greta Thunberg on Tuesday, calling her a "brave and amazing young woman" and said she shared her concerns about climate change. "She (Thunberg) is such an amazing young girl, and so brave and courageous to stand up to these grown-ups that can be very scary and for her to be so open and honest is exactly what we need," Kardashian told Reuters in an exclusive interview during a visit to Armenia. "Climate change is a serious problem," said Kardashian, who was attending the World Congress on Information Technology (WCIT) in the Armenian capital Yerevan.
Climate change activist Greta Thunberg tells Yahoo News why she decided to change her Twitter bio to "criticism" from President Trump and Russian President Vladimir Putin. Thunberg said, "I changed it two times now to some of the criticism from very powerful people I have seen. ... Why not?"
Climate change activist Greta Thunberg traveled to Iowa City, Iowa, for a student-led strike. Thunberg says world leaders “are using several methods to mock and hate.”
The US president took to Twitter to comment on the teenage climate change campaigner's impassioned speech at the UN.
In an angry and emotional speech at the United Nations climate summit on Monday, Swedish teenage climate activist Greta Thunberg tore into world leaders for failing to act.
The Brexiteer tycoon made a joke about "freak yachting accidents" in response to Greta Thunberg's voyage across the Atlantic on a racing yacht.