CNN International to broadcast series of documentaries on Earth Day , April 2018 . Additional documentaries are planned for July and October . Correspondents from different parts of the world will report on how the current concern over the state of the environment touches the lives of global citizens . CNN for in - depth reporting around Copenhagen Climate Conference .
CNN International to broadcast series of documentaries on Earth Day , April 2018 . Additional documentaries are planned for July and October . CNN for in - depth reporting around Copenhagen Climate Conference .