As sea levels rise, will drinking water supplies be at risk?

The Delaware River, a major source of drinking water for Philadelphia, is facing an emerging threat as rising seas push saltwater farther upstream. It’s a problem that other places, from Miami to Shanghai, will also confront, especially as increasing drought lowers river flows.

‘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.