Recent decades have seen a rise in the use of physics methods to study different societal
phenomena. This development has been due to physicists venturing outside of their …

We argue that theories and methods drawn from complexity science are urgently needed to
guide the development and use of digital twins for cities. The theoretical framework from …

The question of whether urbanization contributes to increasing carbon dioxide emissions
has been mainly investigated via scaling relationships with population or population density …

Rapid urbanization and increasing demand for transportation burdens urban road
infrastructures. The interplay of number of vehicles and available road capacity on their …

In this study, with Singapore as an example, we demonstrate how we can use mobile phone
call detail record (CDR) data, which contains millions of anonymous users, to extract …

A novel, integrative approach to cities as complex adaptive systems, applicable to issues
ranging from innovation to economic prosperity to settlement patterns. Human beings …

Urban society, infrastructures, and their energy and water systems are interconnected,
whose performance can be measured by United Nations Sustainable Development Goals …

Megacities pose both challenges and opportunities for the transition towards sustainability,
and understanding the evolution of urbanization in megacities has profound implications for …

Rapid worldwide urbanization is at once the main cause and, potentially, the main solution
to global sustainable development challenges. The growth of cities is typically associated …

Over the last few decades, in disciplines as diverse as economics, geography and complex
systems, a perspective has arisen proposing that many properties of cities are quantitatively …