Stewart Brand: Well, the earlier point is we interfered in a big way by making these animals go extinct, and many of them were keystone species, and we changed the whole ecosystem they were in by letting them go.
Stewart Brand: Bem, a razão inicial é nós interferimos enormemente levando esses animais a extinção, e muitas delas eram espécies fundamentais, e nós mudamos o ecossistema inteiro onde elas viviam quando as deixamos ir.