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Northern Lights on the Gunflint by Bryan Hansel

Light pollution: What it is and why it matters

Recently the Cook County board voted to keep two proposed MN/DOT towers short enough so they wouldn't have to be lighted, and Cook County is one of the darkest locations in the lower 48 states. John Barentine, program director of the International Dark Sky Association, talked with Dick Feb. 27 about light pollution and the benefits of a dark sky.

What are water shrews?

These little creatures have been perfecting their lifestyles for millions upon millions of years. WTIP’s Jay Andersen talks with naturalist Chel Anderson about water shrews.


Canoeist & educator Natalie Warren inspires people to learn from & about their local rivers

In 2010, Natalie Warren & Ann Raiho were the first two women to paddle 2,000 miles from Minneapolis to Hudson Bay, recreating Eric Sevareid's route in "Canoeing with the Cree." Since then, Natalie has been involved in a number of efforts to inspire people, especially youth, to learn about and from their local rivers, and to protect them. She stopped by Studio A Jan. 30 to chat all about it with Buck. You can learn more about her efforts at and


New Energy Transition Lab's goal: Shift economy toward renewable energy

Dr. Hari Osofsky is faculty director of the Energy Transition Lab, a new project of the U of MN Institute on the Environment. Dick spoke with her recently about why the Lab was set up, what they hope to accomplish, and why energy efficiency and renewables are so important. You can learn more about the Institute on the Environment here


Dave & Amy Freeman back from 2,000-mile expedition Paddle to D.C.

Amy and Dave Freeman just returned from canoeing, portaging and sailing over 2,000 miles from northern Minnesota to Washington, D.C. to observe the 50th anniversary of the Wilderness Act, and to bring attention to the issue of mining near the Boundary Waters. Dave TerSteeg caught up with them Dec. 12, and they have great stories to tell. You can learn more about their adventure and mission here.

Winter 2014 in Cook County

Climatologist Mark Seeley says coming winter not so bad...

Mark Seeley, extension climatologist and professor at the U of MN, stopped by WTIP recently to chat with Ann Possis about climate, weather, and the winter ahead. You might be relieved at what he had to say. You can read his weekly Weathertalk newsletter here.


"Project: Ice" film director Bill Kleinert stops by The Roadhouse

"Project: Ice" views the Great Lakes through the prism of ice, at the crossroads of history, science and climate change. The film's director and executive producer, Bill Kleinert, was in town for the film's Minnesota debut at North House's Arctic Film Festival. He joined Dave TerSteeg Nov. 21 to talk about why he made the film and why Great Lakes ice is so important. You can learn more about the film here.


Gary Fiedler on his 7-month Boundary Waters adventure

Gary Fiedler of Hermantown just returned from a seven-month odyssey in the Boundary Waters and Quetico, making 13 trips over every portage and taking over 40,000 pictures. He and his wife Dawn LaPointe spoke with Dick Nov. 14 about why he went and how they worked together to make it happen. You can learn more about their photography gallery here.

Beaver Pond (Don Davison)

Carol Johnston, expert beaver researcher, on how beavers affect our landscape

Dr. Carol Johnston is a professor of ecology at South Dakota State University who just received a National Science Foundation grant to compile her years of research on how beavers have affected the ecosystem at Voyageurs National Park. She talked with Dave TerSteeg Oct. 17 about how and why beavers dramatically alter the places they live. 

Night Sky

Astronomer Bob King talks meteors, the Orionids, photography, and more

One of our favorite regular guests, Bob King of the Duluth News Tribune, chatted with Dave TerSteeg Oct. 3 about meteors and much more. A lunar eclipse is coming early Wednesday morning, Oct. 8.  You can read Bob's Astrobob blog here