The world is urbanizing at an unprecedented speed and scale, with more than half the global population living in cities today… rising to nearly 7 out of 10 people in cities by 2050.

Sameh Wahba |

Secure land rights play a key role in addressing the climate crisis. Yet billions of peoples’ rights to the lands and resources they live on and manage are unrecognized.

Wael Zakout, Andy White |

From Canada to Kenya, nearly every country struggles to provide housing for all its residents. It’s a goal that has become a moving target: Migration – both rural-to-urban and cross-border – is…

Luis Triveno, Olivia Caldwell |

Also available in: Español | Français  | 中文  Machine learning algorithms are excellent at answering “yes” or “no” questions. For example, they can scan huge datasets and correctly tell us: Does…

Sarah Elizabeth Antos, Luis Triveno |

Located on the western tip of the Himalayas, Tajikistan has abundant fresh water resources in its rivers, lakes, and glaciers. Yet, access to improved drinking water, and to sanitation connected…

Ede Ijjasz-Vasquez, Emcet O. Tas |

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 |

Children are often told that home is where to run inside when thunders hit or when the rain comes, and that home is a safe place. However, for billions of people in the world, it is not.   By 2030…

Kristina Wienhoefer, Luis Triveno |

Also available in: Français | Español | العربية The premise behind the Sustainable Cities photo competition was simple. [[tweetable]]We wanted to learn what people around the world “see” when they…

Xueman Wang, Dini Djalal |

We are approaching the end of year two of implementing the Sustainable Development Goals (SDGs). In September 2015, global leaders from 193 countries set a 15-year deadline – by the year 2030 – to…

Mahmoud Mohieldin, Ede Ijjasz-Vasquez |