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 Kemper, Tahseen Sayed |

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 |

Photo: Pierre-Yves Babelon/Shutterstock In an effort to harness the benefits of urbanization and improve the living conditions of the urban poor, Latin American countries have experimented with…

Luis Triveno |