

As part of a global plan to stop the extinction of species and habitats, help solve the climate crisis, and filter out pollution, President Biden joined other world leaders in June 2021, to launch the…
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Nothing says “I love you” like breaking trail, offering up your stash of trail mix M&M’s, or cheering each other up a mountain. For so many in the AMC community, the trailhead has been the...
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As part of a global plan to stop the extinction of species and habitats, help solve the climate crisis, and filter out pollution, President Biden joined other world leaders in June 2021, to launch the…
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From Pennsylvania to the Canadian border, AMC develops, manages, and protects more than 1,800 miles of long-distance and regional trails, including trails easily accessible to urban and suburban populations. With your support, we work…
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For decades, AMC scientists have studied the patterns and effects of air pollution and climate change in Northeast alpine environments—which negatively affect not only natural ecosystems, but humans’ ability to enjoy them through recreation….
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Winter has arrived in New Hampshire’s Pinkham Notch. How might a changing climate change the nature of winter in this special place? As AMC researchers have recently shown, climate change is already altering winter, resulting in a shorter, less snowy cold season here in the Northeast, on…
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AMC’s Northeast Alpine Flower Watch is a community science -driven research project investigating how alpine plants and ecosystems are responding to climate change—and we need your help! By taking photos of plants in high-elevation areas…
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The Appalachian Trail (AT) spans over 2,000 miles from Georgia to Maine. The landscape along its sides, known as the AT corridor, includes both the remote peaks and valleys traversed by the trail and the…
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Each year, Acadia National Park welcomes more than 2 million visitors to the scenic coast of Maine. At the same time, local parks in cities like Boston, New York, and Philadelphia welcome thousands of…
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John Donahue spent his entire career working for the National Park Service, protecting and promoting America’s public lands. Now, in retirement, the 68-year old spends his time advocating for the addition of the Delaware…
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“There’s a witness tree,” says Dave Publicover, AMC’s assistant research director, as a tree with a red-painted stripe around its middle comes into view. We’ve been scrambling down a pretty steep descent over rough…
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