The study revealed a complex network of ponds and rivers, the largest of which occurred under the Whillans ice stream and covered an area of 500 sq km (190 sq miles).

BBC: Satellite images reveal the changes in volume of water

Michigan, Wisconsin, Ohio, Minnesota and Pennsylvania filed an unsuccessful federal lawsuit against Illinois over a Chicago-area network of canals and rivers that could provide a pathway to Lake Michigan for Asian carp.

WSJ: Great Lakes governors seek agreement on invasives

Despite its growing popularity, Kerala has all the charm of a backwater--the name actually given to its network of canals, lakes and small rivers.

CNN: ASIANOW - TIME Asia | Travel Watch | Afoot and Afloat, Kerala Is Worth the Journey

For Fox, O'Brien would be a far less risky choice than tried-and-failed hosts (Chevy Chase, Joan Rivers) of the network's past.

FORBES: Entertainment

Images of these rivers were compared with a model developed by Perron of how a river network evolves over time.

MSN: Saturn's moon Titan may have seen Earth-like erosion

Rivers form the main transportation network for hundreds of thousands of people in sprawling Sarawak.

NPR: Ferry Capsizes In Malaysian River, 21 Missing

The commission said important data on the 49, 000 miles of rivers and streams in the basin comes from a network of gauges, but funding for many of those was lost in 2011.

WSJ: Susquehanna River commission wants gauge funding

The Marine Environmental Monitoring network says there have been rare instances of dead seals being found in west Wales rivers.

BBC: Terry Leadbetter says it makes sense to remove the seal

Example: In 2003 Tom's of Maine began donating to the Oregon-based River Network, a nonprofit dedicated to making the public aware that 50% of America's drinking water comes from rivers, and yet 40% of all rivers, lakes and estuaries are too dirty even for fishing or swimming.

FORBES: A River Runs Through It