Millions of people around the world will pause on Monday, at least for a moment, to mark Earth Day. It’s an annual event founded by people who hoped to stir activism to clean up and preserve a planet that is now home to some 8 billion humans and assorted trillions of other organisms.

Aminta Permpoonwiwat, Thailand’s youngblood climate leader, is a UN climate activist on a mission to unleash the potential of Thai girls and women.