Created by Geoff Blackwell and Ruth Hobday. Geoff Blackwell is a New Zealand-based creator of award-winning books, audiobooks, exhibitions, films and photographic portraits. Together, he and his creative partner Ruth Hobday have originated books for publishers in forty countries. Greta Thunberg is a teenage climate change activist from Sweden. Her school strikes initiative has spread into a worldwide movement called Fridays for Future and has mobilized hundreds of thousands of school children. In September 2019, over 7 million people in 128 countries participated in a global climate strike.