In 2005, the Millennium Ecosystem Assessment (MA, 2005) provided the first comprehensive report on global ecosystems, the dependence of human societies on the services provided, current state, and likely future trajectory. The MA identified the failure to value ecosystem services as a major...

Much of the world's built environment is found in urban areas, and cities are thought to be responsible for up to 70 percent of global greenhouse gas (GHG) emissions, and up to 80 percent of primary energy demand. Most of the energy consumed in the world fuels urban industry, powers urban homes...

The report is organized into seven chapters, as follows, with additional text supported by data in the annexes: this first chapter sets out the context for the report, presents the objectives, outlines the methodology and approach, and briefly introduces the scope and organization. Chapter two...

Should public investment be targeted to big cities or to small towns, if the objective is to minimize national poverty? To answer this policy question the authors extend the basic Todaro-type model of rural-urban migration to the case of migration from rural areas to two potential destinations,...

The internationalization of cities and the constitution of a new international space of power involves a much more expressive number of cities than the usual global cities. Nowadays, dozens of international organizations are composed of regional capitals, medium, and even small cities. With...