Elisa Guerra (Mexico) is a teacher, writer and friend to both children and trees. In 2015 she was named Best Educator in Latin America and the Caribbean by the Inter-American Development Bank, and has been shortlisted for the Global Teacher Prize twice. At this event she will talk about her latest book, Las voces de los árboles, in which she takes us to a parallel world where trees of different species and from different places around the world tell us their stories and lead us to reflect on the damage we are doing to the planet.