In this book, two titans of social movement scholarship bring together the best current research on the nexus between the local and the global in translating the global justice movement into action at the grassroots, and vice versa. Using recent cases of transnational contention_from the European Social Forum in Florence to the Argentinean human rights movement and British environmentalists, from movement networks in Bristol and Glasgow to the Zapatistas_the original chapters by distinguished scholars presented in this volume adapt current social movement theory to what appears to be a new cyc.;Transnational processes and social activism: an introduction / Donatella della Porta and Sidney Tarrow -- A limited transnationalization? The British environmental movement / Christopher Rootes -- Cities in the world: local civil society and global issues in Britain / Mario Diani -- The sequencing of transnational and national social movement mobilization: the organizational mobilization of the global and U.S. environmental movements / Erik Johnson and John D. McCarthy -- The impact of transnational protest on social movement organizations: mass media and the making of ATTAC Germany / Felix Kolb -- Scale shift in transnational contention / Sidney Tarrow and Doug McAdam -- Patterns of dynamic multilevel governance and the insider-outsider coalition / Kathryn Sikkink -- Multiple belongings, tolerant identities, and the construction of "another politics": between the European social forum and the local social fora / Donatella della Porta -- Social movements beyond borders: understanding two eras of transnational activism / Lance Bennett -- Conclusion: "Globalization," complex internationalism, and transnational contention / Sidney Tarrow and Donatella della Porta.