Regional language differences make for an interesting mapping project.

Steve Libert, president of the Great Lakes Exploration Group, discovered in Lake Michigan something he suggests might be the bowsprit of a 17th century French sailing vessel.

A survey of teachers in the U.S. and Canada found nearly 27 percent release classroom pets and plants into the environment, risking a new pathway for invasive species.

How come Chicago’s Northerly Island is getting $2.8 million in Great Lakes Restoration Initiative money for projects with questionable environmental restorative value just as concert revenue is set to expand?

Outside Magazine slighted the Great Lakes now and in the past in its annual vote for best towns for outdoor recreation and quality of life.

Here’s your chance to set that publication straight.

The Chinese media can’t figure what’s the big deal.

People there love the fish.

One suggestion for U.S. carp control: Allow more Chinese to immigrate here.

In 2004, Milwaukee Water Works began monitoring drinking water for estrogen and testosterone, flame retardants, pesticides, explosives and pharmaceuticals.

Summer duty: Mapping progress, helping shorebirds and bracing for algae.

Its size and age make the endangered lake sturgeon a fascinating species for most people. But for many Native Americans, the fish is also sacred. And it’s survival of greed, oil spills and habitat destruction signals that the sturgeon remains vigilant in protecting the environment.

In a city full of streams, plastic bags can clog drain pipes and cause plumbing problems.