PODCAST

Climate Cast

Minnesota Public Radio

MPR News meteorologist Paul Huttner with the latest research on our changing climate.

science earth sciences

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00:04:39

Brewing breakthrough: Craft beer makers eliminate...

Climate Cast ·

2025/05/30

Craft beer grew in popularity over the past decade across Minnesota, but the brewing process has also created a ton of wastewater. Now, there’s an experiment to make the process carbon neutral. University of Minnesota professor Paige Novak and Fulton Brewing are working on a new, sustainable way to treat wastewater from the brewing process.She spoke to MPR chief meteorologist Paul Huttner for Climate Cast.The transcript below has been lightly edited for clarity and length.Tell us about the

00:04:54

Minnesota Pollution Control Agency adds ‘blowing...

Climate Cast ·

2025/05/28

Minnesota has experienced four significant blowing dust episodes over the past few years, and the uptick in frequency has raised air-quality concerns across the state. Now, the Minnesota Pollution Control Agency will start issuing air quality alerts for blowing dust this summer. Matt Taraldsen, MPCA meteorologist, says the fine particle pollution from dust — technically known as PM10 — is similar to wildfire smoke. “People are very familiar with PM2.5 or fine particle pollution and

00:04:31

Political headwinds could spell trouble for solar...

Climate Cast ·

2025/05/14

Minnesota has been a part of the solar energy boom that has swept across the nation over the past decade. Research has shown solar energy is now the cheapest form of electricity in the history of electric power generation, but politics on the state and federal level could trigger challenges for the renewable resource. MPR News Chief Meteorologist Paul Huttner talked to Brian Martucci, an energy reporter with the Minnesota Reformer, about the issues solar power could face in Minnesota.

00:04:45

How one Minnesota recycling facility is becoming more...

Climate Cast ·

2025/05/09

Recycled plastics reduce greenhouse gas emissions by 30 to 80 percent compared to creating new plastics. But the process isn’t always waste-free.Eureka Recycling, a 20-year-old mission-driven zero-waste recycler, has upgraded its facility to ensure recycled materials are effectively repurposed.“It’s incredible how much less energy it takes,” said Miriam Holsinger, co-President and COO of Eureka Recycling. “We really work hard to keep the material we sort as local as possible — a lot of it

00:04:17

Tech giants vie to build data centers in Minnesota to...

Climate Cast ·

2025/05/01

Tech companies are looking to the land of 10,000 lakes as a suitable environment to expand their data footprint.About 10 tech giants, such as Microsoft and Meta, are vying to build data centers in Minnesota to support their growing AI networks. “The Midwest is kind of a big emerging market right now,” said Nick Halter, a Twin Cities reporter for Axios. “That's because we have abundant water, which oftentimes is used to cool these [centers] down, and also because we have much cooler

00:04:41

Mississippi named 'most endangered' river in the U.S.

Climate Cast ·

2025/04/25

The mighty Mississippi, which flows from its headwaters in northern Minnesota to the Gulf of Mexico, has topped an endangered rivers list.A report from nonprofit conservation organization American Rivers states that a combination of extreme flood, drought cycles, toxic runoff, and poor river management threatens the Mississippi. The 2,300-mile-long river is a water source for more than 50 cities in the U.S., including several in Minnesota.Cuts to the Federal Emergency Management Agency

00:04:17

Writer turned citizen scientist offers tips on living...

Climate Cast ·

2025/04/17

Writer Tamara Dean knew she wanted to live lightly on the planet. Her search to live a productive life while lowering her carbon footprint led her to the Driftless Area of Wisconsin — also known as Bluff Country and the Paleozoic Plateau — with dreams of become a homesteader. Dean shares her experience in her new memoir “Shelter and Storm: At Home in the Driftless.” She spoke to MPR chief meteorologist Paul Huttner for Climate Cast.The transcript below has been lightly edited for clarity

00:04:10

It’s not your imagination, Minnesota is experiencing...

Climate Cast ·

2025/04/07

There’s a warming trend in cities across American, and that’s extending allergy season for millions of Americans. A new study by Climate Central found five cities in Minnesota have increased their pollen season — in some cases by nearly a month. The Twin Cities allergy season has expanded by 27 days, Duluth is seeing an average of 24 extra days of allergy season, while Mankato is experiencing 11 and Rochester is averaging 10 extra days, said Kristoffer Tigue, a reporter for the Minnesota

00:04:34

Minnesota's volatile winter could be the new normal

Climate Cast ·

2025/04/02

Minnesota experienced a seasonably cold but relatively snowless winter. Now, the spring months are making up for lost time by dumping sloppy snowstorms. State climatologist Pete Boulay said what Minnesota is seeing is over time is a different start and end times for the seasons. “Winter is shifting around a bit,” said Boulay. “We’re not seeing as big of snow storms in November like we used to, but April is becoming a shining moment of winter.” Boulay said winters have also lost their cold

00:04:32

New book traces 75-year history of U.S. military...

Climate Cast ·

2025/03/27

By creating the Snow, Ice and Permafrost Research Establishment (SIPRE) in 1949, the U.S. military became one of the earliest climate research groups on the planet. The group’s mission was to study the science and engineering of the warming Arctic and the national security implications that could follow. University of Vermont professor and geoscientist Paul Bierman wrote about this in his book, “When the Ice Is Gone: What a Greenland Ice Core Reveals About Earth’s Tumultuous History and

00:04:15

Minnesota ‘red-tape experiment’ streamlines...

Climate Cast ·

2025/03/14

Wind and solar are among the cheapest energy sources available today, but even when clean-energy projects are ready to go, a cumbersome permit process is slowing down their implementation. Allison Prang wrote a New York Times article about a Minnesota experiment to cut the red tape that is impeding the state’s ability to achieve its clean-energy goals. She spoke to MPR chief meteorologist Paul Huttner about her reporting. The transcript below has been lightly edited for clarity and length

00:04:31

Forget migration. Ducks are choosing to chill in...

Climate Cast ·

2025/03/06

Nick Halter, a Twin Cities reporter at Axios, noticed a peculiar pattern on his morning walks — hundreds of ducks braving subzero temperatures. Many ducks still fly south for the winter months. But climate data shows Minnesota winters have warmed more than five degrees on average since 1970, creating a more tolerable environment for ducks and other birds. These ducks are deciding there’s no reason to make the potentially dangerous journey south when Minnesota’s warming climate provides a

00:04:11

Increasing greenhouse gas emissions may put Minnesota...

Climate Cast ·

2025/02/27

It’s a post-pandemic world, and Minnesota’s greenhouse emissions are following the nationwide trend of going up. Based on recent state data from 2020 to 2022, emissions rose 6.4 percent with transportation and agriculture being the biggest contributors. Now, the state is off-track to meet its climate goal of reaching net-zero emissions by 2050. “I think it will be difficult to meet,” said Walker Orenstein, a reporter with The Minnesota Star Tribune. “As the state has pointed out, if we

00:04:31

Slowing climate change by ‘putting carbon back where...

Climate Cast ·

2025/02/20

A technology that can slow or stop climate change already exists — and has a history of bipartisan support in Washington. But it has a few hoops to jump through before it can make a bigger impact.The method is called carbon capture, which removes carbon from the atmosphere and stores it deep underground.“You can think of this whole process as essentially putting carbon back where it came from,” said Ben Grove, senior manager for carbon storage with the nonprofit Clean Air Task Force

00:04:31

Meteorologist travels to Antarctica to witness ice loss

Climate Cast ·

2025/02/13

The Antarctic is warming. This means, the ice sheet in the Antarctic Peninsula is shrinking, and ice is breaking off the continent. “The largest icebergs on the planet are going around the Antarctic Peninsula … because these are breaking off the ice sheets as there’s warming,” said MPR News meteorologist Sven Sundgaard, who recently traveled to Antarctica to witness the effects of climate change first hand. “These giant icebergs are very impressive. And then you realize that [the ice sheet]

00:04:38

Minnesota’s warming climate is making winter fun more...

Climate Cast ·

2025/02/06

Winter is the fastest-warming season in the Midwest — more than five degrees on average since 1970, according to data from the National Oceanic and Atmospheric Administration.All that warming is having an impact on ice formation. “Climate change is injecting more energy into our weather systems, and that’s resulting in in just more extreme extremes,” journalist Kristoffer Tigue told MPR’s Chief Meteorologist Paul Huttner. Tigue wrote about the shift in ice trends for Inside Climate News

00:03:48

Could the future of renewable energy be beneath our...

Climate Cast ·

2025/01/30

The Trump administration has pivoted to fossil fuels. But one form of renewable energy has still gained support in Washington: Geothermal energy, which uses the warmth of the earth to heat and cool buildings.Minnesota has already tapped into geothermal power in Rochester where the city’s headquarters will soon be provided a future with carbon-free heating and cooling. By digging deep into the ground, geothermal power provides energy 24/7.Geothermal has found support in Washington, “because

00:04:57

Climate leader urges action after Trump pulls U.S....

Climate Cast ·

2025/01/24

President Donald Trump has officially begun his second term. One of his first moves was to withdraw the U.S. from the Paris Agreement — again. What will that mean for greenhouse gas emissions and climate solutions?Jonathan Foley is executive director of Project Drawdown.He said, “This is not game over. It’s game on. It means the rest of us have to step up and do a lot more.”Foley shared more insights about the road ahead with MPR News chief meteorologist Paul Huttner.

00:04:11

Disasters in warm-weather states spur climate...

Climate Cast ·

2025/01/18

For some living in the warmer parts of the U.S., extreme weather tied to climate change is enough for them to consider cooler, safer climates.No, Minnesota is not immune from the effects of climate change. But one Minnesota realtor says the state’s northern location is appealing appealing to her clientele from southern U.S. “When you’re talking to people that are coming from all over the place, they do mention [Minnesota is] a more livable lifestyle that makes them feel safer,” said Mary

00:04:15

As Earth sets temperature record, expert says...

Climate Cast ·

2025/01/09

The planet has warmed past the 1.5 degrees Celsius pre-industrial normal temperature. Final confirmation on 2024 being the hottest year on record is expected from NOAA and the European Union, but the effects of climate change on a warming planet is being felt from wild fires in California to the snowless winters in Minnesota. “We’re certainly seeing a lot of dangerous climate change now,” said Jeff Masters with the Yale Climate Connection. “Winters have been the most dramatically affected

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