Logging, overfishing and competition from non-native trout wiped out Michigan’s Arctic grayling population nearly a century ago. But the fish will soon swim again in tributaries of the Boardman, Manistee and Maple rivers.
Great Lakes News Collaborative

Bridge Michigan, Circle of Blue, Great Lakes Now at Detroit Public Television, The Narwhal and Michigan Public work together to report on the most pressing threats to the Great Lakes region’s water. This independent journalism is supported by the Charles Stewart Mott Foundation.
Water’s True Cost
As the nation prepares to pour hundreds of billions of federal dollars into rescuing water systems, the Great Lakes News Collaborative investigates the true cost of water in Michigan. Read the series.
Ready or Not
The Great Lakes region is frequently touted as one of the most climate-resilient places in the U.S., in part because of its enviable water resources. But climate change also threatens our water. The Great Lakes News Collaborative explores what it will take to prepare. Read the series.
Michigan wants to become a hub for hydrogen production, fueling stations
The state needs to build fueling stations and higher-capacity production facilities to support hydrogen-fueled trucks.
MSU is studying lamprey sex. Can birth control save Great Lakes from invaders?
The race is on at Michigan State University to understand bedroom habits of the sea lamprey before they eviscerate Great Lakes fish populations.
A Great Lakes ‘Pompeii’? Lake Huron’s depths hold secrets of human history
Ten years ago, scientists discovered ancient hunting camps beneath the lake. Now, DNA samples from a submerged peat bog could produce more revelations about the prehistoric Great Lakes.
Inside the fight to keep invasive grass carp out of the Great Lakes
The US and Canada are working together to stop a massive fish from gobbling up Great Lakes greenery.
Great Lakes hold clues to climate change. Send in the robots, feds say
As climate change increasingly shapes the Great Lakes region’s ecology and economy, scientists plan to use underwater robots to gather previously inaccessible data they say will help communities adapt.
Michigan’s PFAS drinking-water limits hang in balance of Supreme Court case
Michigan was hailed as a national leader when it set PFAS drinking water limits in 2020. Now, chemical company 3M wants the limits voided.
Up to 3.2M in Michigan may be getting water from PFAS-tainted aquifers
With lots of domestic well users and plenty of polluting industries, Michiganders are among the nation’s most likely to have ‘forever chemicals’ in their well water, according to a landmark federal study.
Great Lakes’ water levels dropping, but still just about average
Water levels in the Great Lakes drop as the region experiences drier conditions due to a lack of precipitation.
Mussels, alewives lead list of 10 worst invasive species in Great Lakes
Researchers have identified the plants and animals that pose the greatest threat to the Great Lakes’ region’s delicate ecosystems, fisheries and recreational waters. Leading the list are zebra mussels, followed by quagga mussels.