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���� Boulder geography PhD student Ethan Carr joins colleagues worldwide to confront climate change across continents

Ethan Carr has always been drawn to cold places. Growing up, he spent summers exploring national parks and winters immersed in the stark beauty of Alaska.

Now, as a PhD student in the University of Colorado Boulder Department of Geography, he spends his days researching the world’s melting ice and participating in an innovative youth leadership forum alongside fellow climate activists from around the world.

They are part of the , an ambitious new initiative connecting young people from mountain and polar regions to amplify voices in the climate fight and search for new solutions.

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“Not everybody needs to be a scientist or a strict climate activist to have an impact. Really, all you need is to have a voice and a passion for it," says Ethan Carr, a С���� Boulder PhD student in geography. (Photo: Ethan Carr)

From soldier to scientist

“It’s been a long, kind of windy road to get to where I’m at today,” Carr says.

That road, it turns out, began at West Point.

Carr didn’t originally set out to become a climate researcher when he enrolled at the U.S. Military Academy at West Point. But a mandatory earth-science course nicknamed “DIRT” sparked an interest he didn’t know he had.

“That was kind of the first time I realized that you can make a career out of studying and being in really cool environments while you do it,” he says.

After graduating in 2020 and serving as an infantry officer, Carr’s career was redirected by an injury, forcing him to reassess his path forward. Business school wasn’t appealing, but geography still was.

“I took a couple of pre-MBA courses and couldn’t have been more bored in those,” he recalls. “So I said, ‘I have this geography degree, I might as well try to make a career out of it.’”

That decision led him to С���� Boulder, one of the country’s top hubs for cryosphere research. He moved to the area before even getting into grad school, taking a chance on himself that would soon pay dividends.

First came a master’s degree. Then he turned his attention to pursuing a PhD in geography with support from the (CIRES).

Climate leadership across continents

Carr was recently named part of the inaugural class of youth champions in the HKH - Arctic Youth Leadership Forum, a yearlong fellowship launched by the International Centre for Integrated Mountain Development (ICIMOD) in Nepal. The forum brings together 12 young leaders from some of the world’s most climate-vulnerable regions.

Carr first saw the application on LinkedIn and was intrigued not just by the opportunity, but by the forum’s emphasis on public education and policy.

“One thing I’ve realized in my scientific journey so far is you have a lot of scientists who are obviously very intelligent, but not everyone wants to engage in public education, especially on the policy side,” Carr says.

Coming from a military background, he was already used to thinking geopolitically, so he saw the forum as a way to merge science with diplomacy while making a real impact.

“Within our cohort, we represent nations that are some of the largest emitters, being the U.S., China, and India,” Carr explains. “But we also have representatives from some of the countries that are experiencing the effects of climate change firsthand.”

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While studying at the U.S. Military Academy at West Point, Ethan Carr took a mandatory earth-science course nicknamed “DIRT” that sparked an interest he didn’t know he had. (Photo: Ethan Carr)

In the Arctic, Carr points to the rapid melting of the Greenland ice sheet, a reality threatening both biodiversity in the region and Indigenous fishing economies. Meanwhile, countries like Pakistan, Nepal, and India, home to thousands of Himalayan glaciers, are confronting retreating ice sheets that underpin their water security.

“We see a lot of similarities in how things are changing, but this collaboration shows the kind of differences in who’s being affected and the populations being affected more so,” he says.

Data meet lived experience

As part of his doctoral work, Carr studies glacial lake outburst floods in Greenland—events in which meltwater lakes suddenly burst through glaciers, often with destructive force. He relies on satellite data to track water levels, but he’s also learned to listen to what local people are witnessing on the ground.

“Local fishermen have been noticing trends where, after these drainage events, they see an increase in primary productivity in local fjords. That has a significant impact on fishing for the year,” he says.

“That’s not something I would have expected as a scientist just looking at satellite imagery.”

This experience is one among many that has shaped Carr’s belief in combining scientific knowledge and the lived experiences of those native to the regions being studied. It also helped reinforce his understanding of the importance of bringing more voices to the table.

“Our generation and the generation after us are going to be the ones that are inheriting the climate mess we’ve been given by former generations, so those voices need to be heard,” he says.

Speaking of his fellow members on the leadership forum, Carr adds, “These are people that are passionate and empowered youth that have good ideas.”

A global generation

Carr sees connection as a unique advantage in his generation’s ability to catalyze change in the climate arena.

“We’re the most globalized generation there has ever been. My parents couldn’t pick up the phone and directly communicate with someone living in Bangladesh or Bhutan. But we can do that and form genuine working relationships with somebody 12 hours across the globe and work on projects that connect our regions,” he says.

He says the ability to collaborate across borders and cultures is a crucial advantage in the fight against climate change.

But so is perspective.

In his conversations with peers in South Asia, Carr has come to appreciate just how immediate the crisis is elsewhere and why people closer to home might not be able to recognize the urgency.

“In the U.S., I think sometimes we can be kind of separate from understanding what’s really happening in the world. Obviously, we’ve had massive disasters, but we’re not going to be seeing the 10-, 15-million people being displaced in Southeast Asia if sea level rises a few centimeters,” he says.

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Ethan Carr (bottom row, left) and his colleagues in the . (Photo: Ethan Carr)

“These are real impacts happening on that side of the world that we can be pretty ignorant to in the U.S., and it’s something I’ve become way more aware about after talking with folks from over there. They have a lot more urgency in their fight for climate solutions because they can’t afford to wait as long as other parts of the world can,” he adds.

A message for future climate leaders

When asked what he would say to those who feel overwhelmed by the negativity surrounding climate change, Carr doesn’t hesitate. He knows the scale of the crisis can feel suffocating, but he’s also quick to challenge the idea that only scientists belong in the fight.

“Not everybody needs to be a scientist or a strict climate activist to have an impact. Really, all you need is to have a voice and a passion for it,” he says.

Carr believes that the most effective climate solutions will come not just from labs or policy think tanks, but from every corner of society. In fact, he sees this diversity of thought as essential.

“We need climate-minded people in all professions, from business to economics, engineering, and especially journalism. The more we talk about it, the more awareness we can bring to the issue,” he says.

He also sees a need to reframe how climate change is discussed.

“The same rhetoric that’s been used the last few decades of, ‘This is bad because our planet is warming up, and we aren’t going to be able to live,’ hasn’t delivered. Changing how we discuss it to focus on what climate change will do in certain regions and how it will affect local people and economies, I think, is a better way to look at it,” Carr says.

More than anything, Carr encourages young people to speak up and get involved—even if they don’t have a degree or defined role yet.

“The world needs the youth to step up in these spaces. Don’t wait to be asked. Make a space for yourself and move into it. Use your voice to make good things happen in the world.”

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