As a growing number of cities around the world embrace the goal of becoming green, the role of city politics in the promotion and shape of this phenomenon is becoming increasingly clear. Supportive political leadership, growing support of city greening by businesses, and community activism and involvement are some of the major local political factors that influence the greening of cities. However, although each of these factors may play a crucial role in the green politics of any given city, there is no clear formula or fixed model that maximizes the chance that a city will adopt strong environmental practices. Rather, the initiative for such programs may come from different coalitions of elected officials, nonprofit organizations, business leaders, and so on. Furthermore, political factors beyond ...