Salty oceanwater is creeping up the Delaware River, the source for much of the drinking water for Philadelphia and millions ...
The farther the line moves upstream, the closer it gets to drinking water intakes, which officials have worked for decades to ...
Drought and sea level rise are causing salty seawater to creep into the Delaware River, threatening a source of drinking ...
Salty ocean water is making its way into the Delaware River, threatening a source of drinking water for Philadelphia and ...