The installation of rocky reefs in the St. Clair River delta created 40,000 square feet of spawning habit for lake sturgeon, which is expected to bolster the population of this iconic Great Lakes fish species.

Reducing prescription drugs that are washed down sinks and toilets also reduced the risk of active compounds contaminating drinking water sources.

Scientists have established a water-quality monitoring program in an effort to reduce Type E botulism outbreaks that have killed thousands of birds in recent years at Sleeping Bear Dunes National Lakeshore.

A massive cleanup is transforming one of America’s most polluted rivers, the Grand Calumet, which has long been a major source of toxins entering Lake Michigan.

A ballast water treatment system will keep a Great Lakes ferry from transporting invasive species between Isle Royale and the port at Houghton.

Removing invasive plant species has restored natural functions and created new fish and wildlife habitat at the Cowles Bog wetland complex.

Thirty artificial fish reefs were installed in Lake Huron’s Thunder Bay, creating new fish spawning habitat in an area that was damaged by cement dust.