This collection of essays examines the variety of ways in which communication scholarship and research contribute to the political mobilization and empowerment of citizens to act on environmental issues--environmental discourse and action in the largest sense. As seen here, the task of environmental empowerment involves a curious mixture of national and local politics, abstract principles and concrete actions, ethical frameworks and political expediency. The contributors to this volume provide a fascinating array of perspectives on how to go about this task and how earthtalk continues to...