But you know all that.

His grandfather died when he was only 10.

His people live in Brazil and in Peru.

Russia, South Africa and Benki's own Brazil, where Benki got his civil rights only in the 1988 constitution.

Eight years later, when he was a young man of 18,

I love you, Binky... but I don't have to like you right now.

They're discoveries of people and the way people are, and new leadership.

He could see what was happening to his forest, to his environment, because he was taken under his grandfather's wing when he was only two years old to begin to learn about the forest and the way of life of his people.

Benki knew this.

I met Benki three years ago in Sao Paulo when I'd brought him and other leaders from indigenous peoples to meet with me and leaders from around the world, because we wanted to learn from each other.

But the good news is that we don't have to figure it out as we go along we have models, we have examples,

My work has taken me around the world, where I've had the real privilege of meeting people like Benki and many others who are making change happen in their communities people who see the world differently, who are asking different questions, who have different answers, who understand the filters that they wear when they go out into the world.

And if we're lucky, we can change the way our great grandchildren will answer Benki's question.

It's a future we don't know the details of, but it's a future that has signs, just like Benki saw the signs around him.

He began to talk to them about the forest that they needed to protect, the way of life they needed to nurture.