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 |

The future is uncertain. It’s hard to know exactly how our climate will change. That means there is also deep uncertainty around its impacts on flooding, the most prevalent disaster worldwide. [[…

Adeline Choy, Zuzana Stanton-Geddes, Jolanta Kryspin-Watson |

As the world becomes increasingly urbanized, the number of megacities is growing rapidly. Today there are 37 cities worldwide with populations of greater than 10 million, and 84 with populations…

Philip E. Karp, Peter Ellis, Barjor Mehta |

Electric cars are so popular in the Netherlands that it would not be uncommon, say, for a Tesla to roll up as a taxi outside Amsterdam’s Schiphol Airport. And it is not tough to find charging…

Qiyang Xu, Jie Li |

[[tweetable]]Like many other developing countries, Afghanistan is urbanizing rapidly.[[/tweetable]] Today, a quarter of the country’s over 30 million people live in urban areas, with many more…

Ede Ijjasz-Vasquez, Catalina Marulanda |

Today is World Refugee Day, a day for us all to remember how many people are moved or displaced from their homes—either within their own country or across borders. The UN High Commissioner for…

Ede Ijjasz-Vasquez, Ayat Soliman, Catalina Marulanda, Robin Mearns |

The stat is appalling: [[tweetable]]1 in 3 women worldwide have or will experience intimate partner violence or non-partner sexual violence in their lifetime.[[/tweetable]] Although it may take…

Sweta Shrestha, Ram Devineni, Isabel Santagostino, Margarita Puerto, Rocio Calidonio |

Ancient cities, like Mohenjodaro in modern-day Pakistan, emerged relatively recently in human history (photo courtesy of Saqib Qayyum used through a Creative Commons license.)​ The growth of large…

Chandan Deuskar |

A cup of coffee in Caracas costs almost 200 times a liter of gasoline. Households in Turkey paid 74 times more than their Egyptian counterparts for bottled cooking gas in early 2013. The price…

Masami Kojima |

The Small Island Developing States, or SIDS, include 52 countries spanning the Caribbean, Atlantic, Indian and Pacific Oceans, as well as the South China and Mediterranean Seas. They range from…

Vivien Foster |