In Thessaloniki, a promenade along the Aegean Sea is dotted with fountains, sculptures, grassy parks, and the iconic “Umbrellas” art installation of the late Greek sculptor George Zongolopoulos.…

Valerie-Joy Santos |

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 |