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Manure tech helping cut greenhouse gas emissions on Vt. dairy farms

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Manure tech helping cut greenhouse gas emissions on Vt. dairy farms


BURLINGTON, Vt. (WCAX) – Making the most out of manure. Four more anaerobic digesters are coming to Vermont to help cut down on greenhouse gas emissions on dairy farms.

Anaerobic digestors reduce greenhouse gas emissions by turning cow manure into renewable energy, heat, animal bedding, and fertilizer. There are over a dozen in the state, and more on the way.

When it comes to greenhouse gas emissions in Vermont 16% come from agriculture. According to the Agency of Agriculture, a quarter of that is made up of waste storage facilities.

That’s one reason why anaerobic digesters are top of mind for Dustin Machia of Machia & Sons Dairy. “As a farmer, we’re a stewardess on the land and we don’t want to pollute and over manure and do all the things that ain’t good for the future dairy for our waterways, streams, and lakes.”

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Right now they take the manure of their 1,300 dairy cows and use it as fertilizer but it comes with limitations. He says an anaerobic digester could be a vital asset giving them a stream of revenue in addition to a sometimes volatile milk industry “Being a farmer you want to be here for many years to come. Just need to find all these little waterways of revenue coming through,” said Machia.

So – how does it work?

“The manure is placed in a sealed tank, so no methane or anything escapes for, on average, about 26 days. And it’s heated up to about five degrees centigrade, little over 100 and when it’s in there cooking for this period of time when it comes out, it’s a different substance,” said Jim Muir, a developer of Agricultural Digestors

Methane comes in all shapes and sizes. Excretion has methane in it, and the breath from the cows has manure in it too. Jim Muir, a developer with Agricultural Digestors says an average dairy farm can provide electricity for approximately 140 homes.

Machia’s is one of four farms statewide taking advantage of federal grants to get the digesters to the farms. There are already 14 digesters in the state; as a result of funding ten years ago.

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Muir says funding, cost, and general outreach are some reasons they aren’t more popular in Vermont.

“It’s a significant engineering and construction undertaking. And similarly, it adds another layer of management and work on a dairy farm.” But Ryan Patch with the Agency of Ag says those 14 digesters have proven to be a worthwhile investment. EPA data shows 74k metric tons of CO2 equivalent are reduced per year.

“You will keep one of these digesters running year-round. It’s not seasonal like harvesting crops. In Vermont, you can make the energy you’re wrapping these projects, and so that can be another benefit of these types of technologies being constructed on farms,” said Patch.

The goal is for the anaerobic digesters to start construction this year.

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Explore Vermont Public's 2024 Annual Impact Report

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Explore Vermont Public's 2024 Annual Impact Report


We are proud to share our Annual Impact Report for 2024, which outlines some of the work our community made possible this year.

While it reflects on the past, this report is also a roadmap for our future. Rapid changes in how people get information bring challenges for media organizations like Vermont Public. But our unique funding model and the generosity of our audience are key to our success, now and in the years to come.

Together with you, we enter 2025 with excitement and curiosity, ready to serve our community with trusted journalism, educational programming, music and more.

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Opinion — Steven Berbeco: You belong here

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Opinion — Steven Berbeco: You belong here


This commentary is by Steven Berbeco of Winooski. He is editor of the 802 Ed, a biweekly newsletter about education policy and practice in Vermont.

A Latin teacher from junior high school once told me that the word trivia comes from roots meaning “three roads.” The idea was that people would come together where roads meet to  exchange small pieces of information — trivia. 

Here in Vermont we certainly swap news on street corners, and I’ve had my share of half-shouted updates between open car windows. The flow of information also happens in grocery stores, coffee shops and waiting for pickup at the end of the school day. 

Recently I found another spot for “hot tea,” as the kids like to call gossip these days. I was sitting  in my gym’s sauna and struck up a conversation with someone who is a school leader. 

I learned that the post-election anxiety many Vermonters are feeling is also showing up in  schools among students, many of whom are worried about being deported as part of what’s  been promised to be the “largest deportation program in American history.” 

And to clarify, these aren’t kids worrying about whether they will be able to go to Ikea in Montreal.  The federal government claims that it can stop and question people within 100 miles of a border.  For anyone doing the math, the distance from Highgate Springs to Middlebury clocks in at less  than 75 miles, for example. 

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School leaders have so many responsibilities: to their students, the staff, the community. Now,  add to the list that schools have historically been swept up in immigration enforcement efforts. Despite this, Education Week recently pointed out that there hasn’t been much in the way of  public statements from school leaders. Or, ahem, state government.

There are levers that can be pulled within the state to help protect our vulnerable students. As the Legislature gets ready for session in January, elected representatives can prioritize this issue so schools can focus on teaching and learning. 

My gym’s motto is, “you belong here.” It’s time for Vermont’s education system to adopt a similar  mission statement.





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Vermont soccer crushes Iona to race into second round of the NCAA Tournament

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Vermont soccer crushes Iona to race into second round of the NCAA Tournament


Vermont soccer: 2024 America East championship celebration

Vermont men’s soccer defeats Bryant 2-1 in Sunday’s America East title game at soldout Virtue Field.

David Ismail fired in a brilliant goal from distance in the 18th minute. Yaniv Banzini led the second-half offensive outburst with a pair of how-did-he-do-that finishes. And Sydney Wathuta played the setup man once again.

The result was clear: Vermont men’s soccer knows how to win NCAA Tournament games. And the Catamounts claimed another one on Thursday night.

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Behind Ismail’s opening strike, Banzini’s brace and Wathuta’s two assists, Vermont cruised past Iona 5-0 in the first round of the NCAA Tournament in front of 2,035 at Virtue Field.

The America East champion Catamounts (12-2-5) will play Hofstra in a second-round matchup at 5 p.m. Sunday on ESPN+. The Catamounts will seek their third straight trip to the Round of 16; two years ago, they reached the quarterfinals, one win shy of the College Cup semifinals; last year, they were ousted after advancing through the first two rounds.

The Catamounts now have six NCAA tourney wins since 2022. They had four in their program history prior to that.

In Thursday’s match, defender Zach Barrett dribbled down the right sideline and found Ismail on the edge of the box. The junior forward turned and, given too much space by Iona defenders, uncorked a lefty blast from 20 yards out that a leaping Iona goalie Loukas Georgiou could not reach.

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Ahead 1-0 at the break, Bazini doubled the advantage 19 seconds into the second half. Bazini received a short pass following an Iona turnover 40 yards away from goal, and the dynamic senior forward weaved through multiple defenders before unleashing a blast from the top of the 18 that skipped in front of Georgiou and inside the right post.

In the 55th minute, Barrett heaved a long throw-in into the box for Max Murray, who nodded toward Bazini. With a crowd around him, Bazini beat the Iona defense with a crafty backheel for a 3-0 margin. It was Bazini’s team-leading 10th goal this fall.

To polish off the high-scoring performance for an America East school in an NCAA Tournament game, Wathuta set up Ryan Zellefrow in the 70th minute and Maximilian Kissel in the 85th minute, the latter giving Wathuta a single-season team record of 14 assists. Kissel also has nine goals this season, all as a substitute.

Niklas Herceg made three saves in net for his fourth clean sheet of 2024.

Contact Alex Abrami at aabrami@freepressmedia.com. Follow him on X, formerly known as Twitter: @aabrami5.

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