This month’s journal brings together a collection of papers focusing on the environment and raises important questions about environmental justice, a concept that has been current in North America for some years but that will still be new to many of our readers. We carry a glossary by Tunstall and colleagues on Places and Health that explores some fundamental concepts of geography that are relevant to our craft. Two editorials explore the issues of environmental justice as they relate to air pollution and health in the set of papers carried in our research section. The highlights of these …