Greta Tintin Eleonora Ernman Thunberg, born on January 3, 2003, in Stockholm, Sweden, is a Swedish activist. She gained global attention in 2018 at age 15 after initiating a solo school strike outside the Swedish parliament. This action inspired the worldwide Fridays for Future movement, which advocates for climate action.

Thunberg became an internationally recognized figure through her speeches, protests, and participation in climate demonstrations across Europe and beyond.