Underground at the Delaware Copper Mine, a historic copper mine in Michigan's Keweenaw Peninsula. NPS Photo. For over a century, the underground tunnels of Michigan's Keweenaw Peninsula told the story of a booming copper industry. Today, researchers at Michigan Tech believe those same tunnels could help write the next chapter of America's energy story, this time, as clean energy infrastructure. On a recent episode of the Lake Superior Podcast, hosts Walt Lindala and Frida Waa

When travelers wind their way up Michigan’s remote Keweenaw Peninsula, they’re met with stunning Lake Superior views, dense forests, and...

Author Beth Kirschner provides in inside look on the Lake Superior Podcast