Estuary: mouth of a river, where fresh river water mixes with the seawater.

UNESCO: L O S S A R Y

New buildings are sprouting up along the banks of the Vardar river and a fresh statue is unveiled every few weeks.

ECONOMIST: The capital city gets a controversial facelift

These plants need the fresh water flow from the river for cooling, processing, and to ship their product out to the Gulf.

FORBES: Is This The Year The Atchafalaya River 'Captures' The Mississippi?

In addition to creating the sill, officials are planning to take 2.5 million gallons of fresh water from farther north in the river -- past mile marker 100 -- then carry it by barge southward "and suck it into our water treatment facilities, " Laigast said.

CNN: Salt creeping up the Mississippi River

In May and June, heavy rains in the basin of the Yangtze river had created an enormous flow of fresh water, and this jet had sluiced the jellyfish towards Japan.

ECONOMIST: A netful of trouble for Japanese fishermen

Since we are fresh from the Diamond Jubilee celebrations, and the Thames River pageant it is worth reminding ourselves of what has been lost since the 1977 Silver Jubilee.

BBC: Jubilees show UK's declining ability to protect itself

The wave breaks at the river mouth so you can rinse off in a fresh water pool with a view of light green pyramid-shaped mountains in the valley.

BBC: Learning to surf in the land of giants

Moments from the single-track road that winds up the valley, Buchi unearthed a fresh cluster of blossoming wild garlic growing on the moist, fertile banks of the river Cwm Einion.

BBC: The wild taste of Wales

In a nifty feat of geography, the warm, fresh waters of the Saguenay jet out atop the frigid, salt waters of the St Lawrence River, churning up massive volumes of krill.

BBC: A coastal Qu��bec road trip