It started as a poem, filled with lines inviting readers to listen to the whisper and act.
Then it became a childrens book with majestic owls and other airy illustrations.
Rivett-Carnac has been working on issues like climate change for the past 20 years.
He is known for his work as a political strategist on The Paris (Climate Change) Agreement.
The future is unwritten.
What happens next is up to us.
(The book is currentlyfree to download online.)
Dr. Jane Goodall, who was inspired by the original poem, was eager to provide the narration.
We must find a way of living in harmony with nature so that both may thrive.
The animated video was created by TED-Eds animation team and breathes a new expression and urgency into Rivett-Carnacs work.
Scroll down to watch the delightful animation.