
The Great Lakes from Space. Lake Michigan and Lake Huron are essentially one large body of water, connected at the Straits of Mackinac. The St. Clair River drains these upper lakes into Lake Ontario. Photo: SeaWiFS Project, NASA/Goddard Space Flight Center, and ORBIMAGE
How much water do the Great Lakes need? As much as they can hold on to. Read more »

Photo: USFWS
What weighs 60 pounds, jumps when startled and could destroy the Great Lakes? You guessed it: Asian carp. Read more »

Zebra mussels removed from the Mississippi River. Photo: USFWS
Invasive zebra and quagga mussels have had a tremendous impact on the Great Lakes since they arrived in ballast water of ocean going ships. Here is a look at the fight to control these bothersome bivalves. Read more »
- Invasive species cage match. Round Gobies are eating Zebra Mussels, Quagga Mussels and everything else. Mlive/Grand Rapids News