UNH students savor chance to make maple syrup as this tradition is challenged by climate change https://t.co/Z4ewlVHIw8
— Boston 25 News (@boston25) March 16, 2026
By Vicki Graf, Boston 25 News and Bob Dumas, Boston 25 News
DURHAM, NH — Maple syrup is an important business in New Hampshire.
The state produces about 90,000 gallons of the sweet liquid every year.
Climate change is now threatening the future of the industry.
Researchers and students at the University of New Hampshire are looking into how this Granite State tradition can be preserved.
“To produce sap, we want freezing temperatures at night and then up to 40 degrees during the day,” UNH Woodlands Manager Stephen Eisenhaure explained to a group of forestry students while out in the woods of Durham.
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Micheal Hines, a student from Franklin, MA added, “This is just a storied New England tradition. Maple sugaring goes back as far as there’s been settlement here, and even before that. And so, it’s really powerful to be part of something, especially in a changing climate where this is not something that will be available to us within our lifetime in this part of US.”
Keeping sugaring alive is important for the state’s agricultural sector.
