Founded in 1959, the membership group Trout Unlimited has changed the culture of fly-fishing and mobilized members to support conservation. Could its approach work for other social problems?
Many ecologically important wetlands, like these in Kulm, N.D., lack surface connections to navigable waterways.
USFWS Mountain-Prairie/Flickr
In Sackett v. EPA, a suit filed by two homeowners who filled in wetlands on their property, the Supreme Court has drastically narrowed the definition of which wetlands qualify for federal protection.
Wetlands like this one in California’s Morro Bay Estuary shelter fish, animals and plants and help control flooding.
Citizen of the Planet/UCG/Universal Images Group via Getty Images
Salmon migrate thousands of miles from inland streams to the ocean and back. The newly enacted infrastructure bill includes funding to help salmon and other wild species on their way.
Stream temperature affects the survival of fish like salmon and trout.
Peter Adams/Avalon/Universal Images Group via Getty Images
Groundwater was once thought to buffer streams from warming, but an inexpensive new technique shows streams fed by shallow groundwater may be just as susceptible as those without.
Salmon crowd a river in Washington State in the US as they swim upstream to spawn.
Danita Delimont/Shutterstock
New research published in the journal Nature reveals that more than 1.2 million flow barriers exist on European rivers and that approximately 10% are obsolete.
The presence of mayflies and stone flies indicates clean water is nearby.
Andrew/flickr
The Trump administration wants to end federal protection under the Clean Water Act for many small streams and wetlands. But as a geoscientist explains, these are critical parts of large river systems.
Thanks to their consumption of invertebrates, Melbourne platypus likely receive half the recommended human dose of anti-depressants every day.
Denise Illing
When people form local networks to take care of resources such as drinking water, they strengthen their communities. Technology can support these efforts and promote learning and innovation.