Lake Superior

On Lake Superior, wolves and their prey are starring in a pair of life-or-death dramas. 

On a Canadian island, wolves threaten to wipe out a once-strong herd of caribou -- triggering rescue efforts. Across the lake, on the U.S. side, the decline of a wolf pack has led to a skyrocketing moose population -- and pleas to import more wolves.  

Over the years, pollution has been seen as a big threat to fish in the Great Lakes. Now, a data scientist says that might not always be the case.

At Brighton Beach outside Duluth, the waters of Lake Superior are stunningly clear. Looking into about six feet of water, it’s easy to see smooth rocks at the bottom.

But Lake Superior has lost its long-held title as the clearest of the Great Lakes. A recent study showed that lakes Michigan and Huron have changed drastically.

For anyone who doubts the power of the Great Lakes, now's the time for a reset.

This week, data buoys on Lake Superior recorded 28.8-foot waves, according to the Great Lakes Observing System.

Part 1 of a series on President Trump's budget 

Long-standing plans to clean up the headwaters of Lake Superior have been thrown into doubt by Trump administration budget priorities. Now, Minnesotans are wondering how to fill a multimillion-dollar hole.

A budget proposal to slash federal funds for the Great Lakes cleanup is being skewered in the opinion pages of the region's newspapers.

In Ohio, Michigan, Minnesota and other Great Lakes states, editorials have called the draft proposal "foolish," "unacceptable" and a "job-killer."

Across the Great Lakes, 2016 brought a lot of conflict, with battles over water diversion, petroleum pipelines and other issues.  

The U.S. and Canada announced Wednesday that they have finalized a plan for restoring and protecting Lake Superior's water quality.

A 96-page document from the Lake Superior Partnership outlines major threats such as invasive species and climate change. It also lists priorities for preserving the relatively clean waters, including ending the release of nine toxic substances.