Recent research shows that US rivers are becoming saltier and more alkaline. Salt pollution threatens drinking water supplies and freshwater ecosystems, but there is no broad system for regulating it.
We think of Canada as a water-rich country, but we are not immune to water shortages or disasters. With some advance planning, Canada can avoid a water catastrophe.
Groundwater is out of sight, but it shouldn't be out of mind. As cities struggle to cope with drought, we should remember that our largest stocks of water are hidden deep underground.
It was the Seine’s rise and fall, in response to heavy rain, that inspired our current understanding of river systems.
Pacific salmon are ingrained in the culture and economy of Canada. They are also a key link between ocean and land. But what happens if a pipeline failure contaminates their habitat?
Low flows in the Murray River in recent years have harmed tiny marine plants called phytoplankton, with consequences for local marine species and management.
The Atrato River has been awarded rights. But it will be tough to translate these abstract ideals into actual progress.
New legislation has recognised the Yarra River as a single, living entity. But what does that mean in practice?
Nigeria is rich in water resources. but poor management has led to water scarcity in the country.
Instead of building a wall on the US-Mexico border, a landscape architect calls for restoring the Rio Grande and turning its course into an international park – an idea first proposed in the 1930s.
A recent report argues more water is needed to resurrect the Murray-Darling Basin. But simply increasing river flow alone could actually harm the Basin.
We can't return degraded landscapes to their original state but we can change the way people relate to their local environments.
New Zealand just conferred personhood upon the Whanganui River, giving it standing to legally defend its rights. Can this novel strategy save the environment?
The environmental regulator has stepped in to stop water pollution from an underground coal mine damaging a World Heritage River. Can the mine deliver improvements and will the river recover?
New Zealand's Whanganui River and the Ganga and Yamuna Rivers in India have been given the right to 'sue' over issues like pollution. The challenge now is to ensure these legal rights are enforced.
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.