It's not every day that a 13-year-old boy gets a chance to address the United Nations General Assembly. But Felix Finkbeiner is no ordinary teenager.

Finkbeiner had one item on his agenda: taking adults to task for their lack of action on planting trees.

The boy is already the head of his own organization, Plant for the Planet, dedicated to planting millions of trees all around the world.

WATCH the video below, or read the story at CNN…