An urban planning expert goes knee-deep into the murky history behind this popular phrase often used to describe the nation's capital.
Research based on palaeological flood records suggests floods as big as those that hit Brisbane in 2011 may be more common than we think.
Why don’t more of Australia’s urban residents swim in city rivers? History provides a guide to reclaiming these important urban assets as public spaces.
We're working on a project to map all of Europe's waterways and dams.
Floods are often seen as a force of destruction. But as river ecologists, we find it hard not to rejoice at the flooding.
The Mekong Delta is gradually being washed away, as less sediment is delivered downstream.
Government strategies promoting economic growth through the development of the biodiverse Salween river basin should not be at the cost of human rights.
At the heart of the Himalayas, the ongoing conflict between China and India for the hydro-power race will affect the whole region.
Siberia's red river reminds us that mining for minerals and metals can still compromise the environment.
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.
New Zealand’s economically driven approach to ecological decline risks entrenching environmental problems rather than solving them.
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.
Freshwater is one of the most threatened resources on Earth. Dragonflies can tell us what we need to know about the state of this precious resource.
Buried beneath kilometres-thick slabs of ice are rivers and huge lakes - some of which are teeming with microbes that thrive in a world without light or oxygen.
Conservation methods for gravel-bed rivers – which are ecological hotspots in the western U.S. – need to improve in order to deal with the effects of climate change.
Freshwater fish are declining everywhere, in part thanks to dam-building. But we can have both.
Toxic algal blooms were unheard of in Australia's major waterways before 1991. Now the Murray River has been struck by four major events in less than a decade, with more likely in the future.
Many pet fish end up in ponds, fountains and waterways. But before ditching your goldfish in the park, stop and think about the viruses you could also be releasing.
Freshwater covers only 0.5% of the Earth's surface but is home to 10% of the world's lifeforms.
A score of new fish species discovered recently in northern Australia remind us how little we know about our country.