The Mediterranean nearly dried up. A cataclysmic flood revived it.

The serene turquoise waters of the Mediterranean Sea hide a sharp-tasting secret: a layer of salt up to two miles thick, lurking deep underneath the basin. Even after decades of study, the details surrounding the sea’s vanishing act and the torrents of water that refilled the basin remain an enduring mystery.

Europe Is Shrinking

Across Europe, the sea is encroaching on nearly a fifth of the coastline. While coastal erosion is a global phenomenon, Europe is especially exposed, with the highest ratio of shoreline to total land area of any continent.

‘Houses On The River Will Fall’: Cambodia’s Sand Mining Threatens Vital Mekong

Cambodia is experiencing a building boom that is transforming its capital, Phnom Penh. Sitting at the confluence of the Mekong and the Tonle Sap rivers, the city’s low-slung French colonial architecture is being replaced with high-rise apartment buildings, malls and luxury car dealerships. Sand from the Mekong’s sediment is key to that construction growth.