The Lakes

The Great Lakes -- Erie, Huron, Michigan, Ontario and Superior -- are among the most important bodies of water in the world. They are the largest readily accessible source of freshwater on Earth – roughly 20 percent of the total supply -- and contain more than 80 percent of North America’s surface water supply.

Ways to Connect

Rolf Peterson

The National Park Service has announced a plan to import wolves to Isle Royale National Park, a move designed to restore the natural balance between predator and prey. And that means the island's moose had better watch out.

USGS

A new study explains how the bloody red shrimp -- and other non-native species -- can travel across the Great Lakes. It's pretty simple: They hitch a ride in the ballast tanks of "lakers," the ships that travel around the lakes, but never make it out to the ocean.

by ANGELICA A. MORRISON

Canada is moving to legalize recreational use of marijuana, and officials predict that it’s likely to happen by the end of the year. As pot suppliers gear up for the change. one huge greenhouse being built near the U.S. border is raising some concerns.


Elizabeth Miller/ideastream

It’s a special time of year for migratory birds.

Tired from their travels, they stop on the coast of western Lake Erie and spend some time resting and refueling with some food – primarily insects.

Nine years ago, the Black Swamp Bird Observatory in Ohio decided to capitalize on this event, and since then it has drawn thousands of birders from all 50 states and 52 countries.


Elizabeth Miller/ideastream

The Cuyahoga River has come a long way from that infamous 1969 fire – and it’s getting better every day.

Along with three other rivers in Ohio, the Cuyahoga is on the U.S. EPA’s Area of Concern List, which includes places hurt by industry and development. The river has 10 problem areas or impairments – loss of fish habitat and fish population, among others.

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