Hundreds of thousands of tons of plastic remain uncollected on Caribbean islands each year and voluminous waves of plastic waste wash up on the shores, especially after severe storms.

Karin Erika Kemper, Tahseen Sayed |

This page in: Arabic | Français | 中文 In a world divided over how to deal with such serious problems as terrorism, immigration, free trade, and climate change, governments agree on the urgency of…

Luis Triveno, Michael J. Lea |

The Metro Cable in Medellin has facilitated greater access to mobility, services, and opportunities through connecting poorer neighborhoods with facilities and services throughout the city. Joe…

Sangmoo Kim, Joe Qian |