A former barrier island chain off the coast of Green Bay is being rebuilt to protect wetlands and habitat, allowing native fish like bluegill and largemouth bass to return.

Removing dams, culverts, and other obstructions along the upper Milwaukee River has reconnected more than 100 miles of streams, allowing native fish like northern pike to return to parts of the river they had been cut off from.

Restoring habitat on the site of former Wisconsin farmland has helped reduce runoff, created a home for wildlife and created outdoor recreation for people in the community.

A $52 million project cleaned up part of the Grand Calumet River and restored the 25-acre Roxana Marsh.

Nearly 300 acres of public land were added to the David M. Roderick Wildlife Reserve on the shores of Lake Erie in northern Pennsylvania.

A New Jersey scientist has invented a system that uses ultrasound and filters to kill invasive species in ballast water.

State and federal agencies joined forces to remove 167,000 cubic yards of toxic mud from the bottom of the Kinnickinnic River, on Milwaukee’s south side.

Increased disease surveillance identified two new fish pathogens that could affect the $7 billion Great Lakes fishery.