Environmental communication is a rapidly expanding field of study, encompassing a wide range of topics such as social-discursive constructions of "nature," journalism and media coverage of the environment, climate change communication, analyses of environmental rhetoric, public participation in environmental decisions and environmental risk communication to name but a few. This Major Work draws on a wide and varied range of sources to construct a comprehensive overview of the key issues in this fast-developing and highly topical area of research. Volume One: Origins, Approaches and Principles Volume Two: Media and Environmental Journalism Volume Three: Environmental Risk and Climate Change Communication Volume Four: Environmental Publics: Citizens, Corporations and Non-Governmental Organizations