Images of Earth taken at night are revolutionizing our ability to measure and understand nearly every dimension of human activity on Earth and allow us to get a glimpse into human-Earth…

Steven Rubinyi, Ran Goldblatt, Hogeun Park |

Making a link between a city’s density and its vulnerability to epidemics may seem like an obvious connection. But it may, in fact, be off the mark.

Wanli Fang, Sameh Wahba |

Globally, transport emits 23% of all energy-related greenhouse gases (GHG) while urban transport accounts for up to 60% of urban GHG emissions.

Minghe Tao |

Indonesia, the world's fourth most populous country, is becoming increasingly urban. Today, over half of the population lives in cities; by 2045, the centenary of Indonesia's…

Sameh Wahba, Kurt Kunz, Mark Roberts |

[[tweetable]]​Chongqing, the largest municipality in China, is investing in sustainable urban growth.[[/tweetable]] As China transitions from pursuing high-speed growth at any cost to a growth…

Xueman Wang, Peter Calthorpe |

Another year has passed, and we are only 11 years away from the goalpost of the 2030 Agenda for Sustainable Development (Agenda 2030). [[tweetable]]It is high time to reflect a bit on where we are…

Steffen Janus, Philip E. Karp |

How would you define the area of Indonesia’s capital city, Jakarta?   a: Simply using the administrative boundaries of the Special Capital Region of Jakarta? b: Based on the extent and density of…

Mark Roberts, Maarten Bosker, Jane Park |

More than 150 people participated in the SotM Africa conference in 2017. (Courtesy of SotM Africa) There is a unique space where you can encounter everyone from developers of self-driving cars in…

Vivien Deparday, Jocelyn Michele West, Mira Lilian Gupta |

As the world urbanizes rapidly, [[tweetable]]international experience has shown that economic activities concentrate in a relatively small number of places[[/tweetable]] – it is estimated that…

Sameh Wahba, Judy Zheng Jia |

Volcán de Fuego in Guatemala, one of Central America’s most active volcanos, spews ash and lava flows in January 2018, just 70 kilometers west of Guatemala City. Image credit: NASA We live in an…

Jon Mikel Walton, Yann Kerblat, Sumati Rajput |