As the world observes World Environment Day this week, we should be mindful that [[tweetable]]there will be more plastic in the oceans than fish by 2050 if nothing is done[[/tweetable]], according…

Silpa Kaza, Lisa Yao |

Two years ago,  more than 180 countries gathered in Paris to sign a landmark climate agreement to keep global temperature rise well below 2 degrees Celsius. Tomorrow, on December 12, 2017, exactly…

Ede Ijjasz-Vasquez, Sameh Wahba |

[[tweetable]]When it comes to responding to disasters, time is of the essence.[[/tweetable]] Help needs to come immediately to save lives; recovery and reconstruction have to start swiftly to…

Zuzana Stanton-Geddes, Jolanta Kryspin-Watson |

​Today, a quarter of the world’s population lives in urban “agglomerations”—supersized metropolitan areas that cut across jurisdictional boundaries and bring together one or more cities along with…

Ede Ijjasz-Vasquez, Philip E. Karp, Maria Angelica Sotomayor |

  When we think of urban expansion in the 21st century, we often think of ‘sprawl’, a term that calls to mind low-density, car-oriented suburban growth, perhaps made up of single-family homes.…

Chandan Deuskar |