Sockeye salmon need strong hearts to migrate long distances. An oil spill could hurt their survival.
(AP Photo/Gary Stewart, File)
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?
The mouth of the Murray River delivers vital nutrients to marine life in the ocean beyond.
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.
The Yarra River has been legally recognised as an indivisible living entity which deserves protection.
New legislation has recognised the Yarra River as a single, living entity. But what does that mean in practice?
A man sells bottled water in Lagos Nigeria, a country with abundant water resources but little to drink.
Nigeria is rich in water resources. but poor management has led to water scarcity in the country.
In Big Bend National Park’s Santa Elena Canyon, the Rio Grande separates the United States (left) from Mexico (right).
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.
The Murray-Darling Basin is an incredibly complex ecological system.
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.
The Bronx River will never be the way it used to be, but it sure looks a lot better today than it did 20 years ago.
We can't return degraded landscapes to their original state but we can change the way people relate to their local environments.
The Whanganui River, seen here, is now a person under New Zealand law.
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 Wollangambe River’s canyons are loved by adventurers.
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?
The Whanganui River: now a legal person.
Joerg Muller/Ulanwp/Wikimedia Commons
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.
Illustration titled, “If you want to get rid of mosquitos, drain the swamp that breeds them.” (1909)
Library of Congress
An urban planning expert goes knee-deep into the murky history behind this popular phrase often used to describe the nation's capital.
The 2011 Brisbane floods were thought to be a ‘one-in-100-year’ event.
AAP Image/Dave Hunt
Research based on palaeological flood records suggests floods as big as those that hit Brisbane in 2011 may be more common than we think.
Handcuffs not recommended: Harry Houdini dives into the Yarra in 1910.
State Library of Victoria/W. G. Alma conjuring collection
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.
Switzerland’s Grimselsee dam.
We're working on a project to map all of Europe's waterways and dams.
Flooding in Wangaratta, Victoria.
Floods are often seen as a force of destruction. But as river ecologists, we find it hard not to rejoice at the flooding.
Elena Ermakova / shutterstock
The Mekong Delta is gradually being washed away, as less sediment is delivered downstream.
A 16-year-old Karen boy, swims in the Salween River at the Myanmar-Thai border.
Government strategies promoting economic growth through the development of the biodiverse Salween river basin should not be at the cost of human rights.
The Brahmaputra is known for its unpredictable fury. Assamese plains dwellers are often victims of floods but also earn a livelihood from the river.
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.