Articles on Rivers

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The Ethiopia’s Grand Renaissance Dam will bring more power to Ethiopia but is already creating tensions over water rights with its neighbors Sudan and Egypt. Tiksa Negeri/Reuters

The most important dam you probably haven’t heard of

The Grand Ethiopian Renaissance Dam, under construction on the Blue Nile, will bring electricity and wealth to East Africa, but could also have harmful environmental and political impacts.
Residents near the Boundary Waters Canoe Area Wilderness in Minnesota and many others are concerned of the impact of mining in its headwaters. atbaker/flickr

Can nature advocates save threatened Boundary Waters wilderness – again?

Almost 100 years ago, the foundations to preserve the Boundary Waters in Minnesota for recreation were put in place. Now residents are debating whether to allow a mine in its headwaters.
Spangled perch are one of Australia’s strongly migratory native fish. After storms in January 2015 these fish were actively travelling up a flooded road in outback Northern Territory. Jessica Brown

We can have fish and dams: here’s how

Freshwater fish are declining everywhere, in part thanks to dam-building. But we can have both.
The remote rivers of northern Australia could be home to untold numbers of new and threatened fish. Matthew Le Feuvre

We discovered 20 new fish in northern Australia – now we need to protect them

A score of new fish species discovered recently in northern Australia remind us how little we know about our country.
Rivers in many agriculturally significant areas of Australia could lose water as the landscape grows greener. Kerry Raymond/Wikimedia Commons

River flows drop as carbon dioxide creates thirstier plants

Rising carbon dioxide levels are making plants grow faster, sucking up more water and reducing river flows in many agriculturally important areas of Australia, according to new research.
Waterbugs are used for the monitoring of river ecosystem health across the world. Amanda Woodman

How healthy is your river? Ask a waterbug

Around the world, waterbugs are the most widely-used indicator of environmental health and pollution of rivers, lakes and wetlands.
A flood plume containing sediments, nutrients and pesticides flowing onto the Great Barrier Reef from Bundaberg. AAP Image/James Cook University

Cloudy issue: we need to fix the Barrier Reef’s murky waters

Successive plans to curb the sediments, nutrients and pesticides flowing into the waters around the Great Barrier Reef have fallen short, leaving the corals that call the reef home highly vulnerable.
Australia’s north is home to many pristine rivers, but most national parks are focused on land-based conservation. Carole Mackinney/Wikimedia Commons

Why are there no true freshwater protected areas in Australia?

Freshwater ecosystems such as rivers, lakes and wetlands are precious. They contain several-times more vertebrate species per unit area than land and ocean environments, and they are more degraded. Protected…

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