Andrew Blok

Great Lakes fishing

Record levels of harmful particles found in Great Lakes fish

"I've been studying microplastics for a long time and this is the study that blew me away."

A record-setting fish was pulled from Hamilton Harbor at the western tip of Lake Ontario in 2015 and the world is learning about it just now.

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Lake Superior fish

A long road to recovery for Lake Superior fish

Some communities live and die with a single industry.

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great lakes diving

Microplastics and algae tangle in the Great Lakes

Great Lakes algae is catching huge amounts of microplastics.

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Competing visions for a famed river in a Midwest hotspot—Part 2

Competing visions for a famed river in a Midwest hotspot—Part 2

GRAND RAPIDS, Michigan—After dropping through downtown, the Grand River flattens out. There, the state is considering a dredging project to open the river to larger boats and travel between Grand Rapids and Grand Haven, a city at the river's mouth where it empties into Lake Michigan.

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Competing visions for a famed river in a Midwest hotspot—Part 1

Competing visions for a famed river in a Midwest hotspot—Part 1

GRAND RAPIDS, Michigan—A bike ride along the Grand River downtown is a breeze—heading downstream it's all downhill.

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Freshwater is getting neglected when it comes to plastic pollution research
Great kiskadee entangled by a fishing line (Paraná River floodplain, Argentina; Credit C. Machado)

Freshwater is getting neglected when it comes to plastic pollution research

Plastic pollution in lakes and rivers is on the research back burner—that's a problem.

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“Forever chemical” replacements on the rise in the Great Lakes
Mackinac Bridge. (Credit: Dane/flickr)

“Forever chemical” replacements on the rise in the Great Lakes

As industry phases out certain toxic PFAS chemicals, the compounds are decreasing in and around the Great Lakes, but replacement chemicals—which some argue also pose serious health concerns—are increasing, according to new research from Canada.

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A crack in the Great Lakes Compact? Approved water diversion prompts pushback
Credit: Gateway Technical College/flickr

A crack in the Great Lakes Compact? Approved water diversion prompts pushback

The Great Lakes hold quadrillions of gallons of water. Is allowing one more company to take water from them such a big deal?

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From our Newsroom
environmental justice

LISTEN: Beau Taylor Morton on the power of community organizing

“People can see you engaged and wanting to begin the work, not only as a researcher, but you’re invested in the community.”

population environmental

Op-ed: What the media gets wrong about the new world population numbers

The last time that we lived within the productivity limits of our planet was about 50 years ago — that is a problem.

hazarours waste pennsylvania

Pennsylvania’s first proposed hazardous waste landfill would be near homes and schools

Residents can voice their opinions at an upcoming public hearing or in public comments.

Cape fear river North Carolina

Where did the PFAS in your blood come from? These computer models offer clues

New research could help pinpoint “forever chemicals” exposure — giving communities a roadmap for cleanup and individuals direction on what to avoid.

PFAS Testing

Investigation: PFAS on our shelves and in our bodies

Testing finds concerning chemicals in everything from sports bras to ketchup, including in brands labeled PFAS-free.

Making an impact with environmental health: Yanelli Nunez, PhD.

Making an impact with environmental health: Yanelli Nunez, PhD.

Engaging in ways to make scientific work more impactful