WATCH: Jill Biden tells British student reading book about Greta Thunberg “Oh … I know Greta, of course!”

While sitting down with a British student, First Lady Jill Biden noticed the student was reading a book about Climate activist Greta Thunberg.

“Oh … I know Greta, of course!’ Jill said. “That’s the main character, and what does she do? … Make the world a better place.”