phosphorus

In one of the most polluted parts of Lake Michigan, whitefish are thriving. Some people wonder if we should try to replicate that environment elsewhere to save the iconic species. But that could mean doing something untested and controversial.

A mysterious algae first started to coat northern Michigan lakebeds about a decade ago. After years of research, scientists and residents are left asking the same question: what has changed in the water that's causing it to grow?

Harmful algal blooms are a growing concern in the Great Lakes. The toxins they produce can close beaches and even poison drinking water. What’s fueling these blooms? Phosphorus – a key ingredient in agricultural fertilizers. But the way it’s being used comes at a cost.

Harmful algal blooms are a growing concern in the Great Lakes. The toxins they produce can close beaches and even poison drinking water. What’s fueling these blooms? Phosphorus – a key ingredient in agricultural fertilizers. But the way it’s being used comes at a cost.

John Janssen remembers the moment he realized Lake Michigan was about to change.It was a September day in 1990 and he was diving looking for sculpin — an…

Here's a question for you lovers of the Great Lakes: Which lake is the clearest? You probably guessed Lake Superior. Well, that was true for a long time.…

A report on fish farming in the Great Lakes suggests Michigan should move carefully if it allows the industry to start up. State officials asked a...

Michigan officials are taking a victory lap in their efforts to reduce the amount of phosphorus flowing from state farms and other sources into Lake...

OK, this is where I fess up and tell you that the answer to that headline is "only time will tell." A scientific advisory panel is studying the...

There’s a bloom of cyanobacteria in Lake Erie right now. Scientists with the National Oceanic and Atmospheric Administration are predicting it could...