The I Know This to Be True series is a collection of extraordinary figures from diverse backgrounds answering the same questions, as well as sharing theircompelling stories, guiding ideals, and insightful wisdom.

At just seventeen, Greta Thunberg is one of today's most prominent climate changeactivists-her impassioned calls for action on global warming have capturedhearts and minds around the world.

In this inspiring interview, Thunberg discusses the irrefutable facts surrounding climate change, theneed to hold political figures and lawmakers accountable, and why every personhas the power to make a difference.