Greta Thunberg first rose to international fame at the age of 15 with a distinct perspective and message for the world: let's save our planet.
Since then, the young climate activist from Sweden has become a global icon, drawing passionate support from around the world, as well as sharp criticism from political and corporate opponents. Her activism has continued to expand and, on June 1, she joined a humanitarian mission to deliver aid to Gaza, showing her growing focus on global justice and solidarity.
Clearly, she's a force to be reckoned with. From school strikes to international missions, click through to learn more about the woman working to change the world, Greta Thunberg.