Three people standing on Burnt Mountain in Vermont, looking at the view.
Exploring Burnt Mountain Vermont staff hike to the top of Burnt Mountain in the Northeast Kingdom. © Eve Frankel/TNC

Land & Water Stories

Natural Highways and Neighborhoods: Conserving a Network of Climate-Resilient Lands

This remarkable new mapping tool provides a roadmap for conserving places where plants and animals can thrive in a changing climate.

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As Jim Shallow, director of strategic conservation initiatives for The Nature Conservancy in Vermont, hiked up Burnt Mountain, he repeatedly stopped to listen to the songbirds. By the time he reached the 2,585-foot peak, he had identified 25 different species based purely on their calls.

From the top, Shallow looked down at the vast stretch of trees below. Burnt Mountain is located amidst a series of public and private conserved lands, creating an 11,000-acre block of unfragmented forests. And while Shallow couldn’t spot them beneath the dense treetops, he knew that an array of wildlife roamed below – including moose, black bear, coyote, bobcat, barred owls and – yes – songbirds.

“This forest is going to be that place where birds and other wildlife will have core habitat that will be resilient to future climate threats,” he said.

Photo of colorful fall foliage on Burnt Mountain in Vermont.
Burnt Mountain Places like Burnt Mountain in Vermont, have varied terrain, diverse soil characteristics and microclimates for an array of species to shift habitats in a changing climate. © Heather Furman/The Nature Conservancy
Photo of a forested stream in brilliant fall foliage colors of yellow and orange.
Resilient Refuge Protected in 2018 by TNC, Burnt Mountain harbors astounding biodiversity for birds, fish and other species that will shift their space as climate changes. © Eamon Mac Mahon
× Photo of a forested stream in brilliant fall foliage colors of yellow and orange.

Our challenge is to accelerate the pace and scale of conservation and conserve a representative network of resilient, connected lands and waters that will allow nature to adapt to climate change.

Dr. Mark Anderson Director of Conservation Science

A Network of Resilient and Connected Lands

Burnt Mountain has been identified by Nature Conservancy scientists as part of a network of unique places across the continental United States that can help nature thrive in the face of climate change.

Warmer temperatures, increased flooding and other climate threats are altering and destroying habitat, forcing species to search for new places to live. Studies show that plants and animals are moving 11 miles north and 36 feet higher in elevation each decade in response to the changing climate.

Over the past 10 years, TNC scientists have mapped a network of landscapes across the United States with unique topographies, geologies, and other characteristics that can help withstand climate impacts. This roadmap of “natural highways and neighborhoods” shows where plant and animal species have the best chance to move away from growing climate threats and find new places to call home.

“This gives us hope that if we work to keep these special places strong, they will keep nature strong,” said Dr. Mark Anderson, TNC’s Director of Science for the Eastern United States who led the mapping work. "Our challenge is to accelerate the pace and scale of conservation and conserve a representative network of resilient, connected lands and waters that will allow nature to adapt to climate change."

What Are Natural Highways and Neighborhoods?

Among the things that makes these places special are their diverse physical characteristics—steep slopes, tall mountains, deep ravines, diverse soil types— that create numerous microclimates and allow plants and animals to move around their local “neighborhood” to find suitable habitat where they can escape climate threats. The landscapes also have good connectivity — “natural highways” that allow movement across local microclimates and between climate resilient landscapes.

A small brook in a Vermont forest with colorful fall foliage.
Other benefits Like other natural highways and neighborhoods, Burnt Mountain will not only ensure resilient biodiversity, it will also store carbon and safeguard clean water and recreational opportunities. © Eamon Mac Mahon

In addition to providing safe places for nature to thrive, the network of lands also offers benefits to people, including clean drinking water, economic income and carbon storage that fights climate change.

In the case of Burnt Mountain, early estimates suggest that the lands will yield more than 270,000 credits in the first decade (1 credit = 1 metric ton of carbon), an equivalent benefit of removing 38,000 cars from the road.  It is Vermont’s largest carbon project to date.

Through a conservation easement and work with partners, TNC is managing Burnt Mountain to ensure it will continue to support both people and nature in the face of climate change. 

A bison on a Nebraska prairie.
Bison bull The Niobrara Valley in Nebraska is one of many places identified as having resilience for a changing climate. © Chris Helzer/TNC

A Conservation Tool for Land Trusts, Agencies, Communities and Others

TNC’s roadmap of natural highways and neighborhoods covers 33 percent of the continental U.S. and can bring together government agencies, land trusts, private land owners, Indigenous communities, and other stakeholders to develop conservation plans that will help nature thrive on a national scale while meeting local needs.

Among the natural highways and neighborhoods scientists have identified across the United States are:

A rushing river in a narrow, mountainous canyon.
Jarbidge River Nevada's Jarbidge mountains and river near the Idaho border is a natural highway of diverse habitats for an array of species to move as needed. © Bob Wick/BLM

Monsoon Passage - Nevada to Idaho

Stretching from Lake Meade in the south, up through Great Basin National Park and north to the Jarbidge Mountains near the Idaho boarder, this natural highway of connected mountain ranges and wet valley bottoms provide desert tortoises, bighorn sheep, Cooper’s hawk, mule deer, golden eagles and other species escape routes from growing climate impacts.

A deep aquifer runs through a substrate of carbonate rocks beneath this 500-mile long passageway, occasionally surfacing as springs in which endemic fish, snails, slugs and insects live. The cool valley bottoms, waterways, and wet systems of this area will become increasingly important as climate change leads to higher temperatures and forces animals to seek cooler habitat and sources of drinking water.

A bighorn sheep on a grassy mountainside.
Bighorn Sheep Bighorn sheep are among many species that will benefit with room to roam in the Monsoon Passage. © Tim Sullivan

The region's name comes from being at the western edge of the summer monsoons that provide eastern-facing moisture to buffer heat and a pathway for species moving north.

The Conservancy has worked across this area for years, including along the Jarbidge River, home to the only population of endangered bull trout in the entire state.

Aerial photo of Cumberland Mountains in Tennessee in bright fall foliage colors with mist in the valleys.
Cumberland Forest A mountain view of the Ataya tract and Cumberland Mountains from Cumberland Gap National Historic Park in Tennessee. © Byron Jorjorian

Cumberland Forest Project

At 253,000 acres, the Cumberland Forest Project is one of TNC’s largest-ever conservation efforts in the eastern United States, protecting sweeping forest landscapes across Virginia, Kentucky and Tennessee.

Safeguarding this vast stretch of forest confronts climate change in two ways: by storing millions of tons of carbon dioxide and by connecting a migratory corridor that scientists believe could be one of North America’s most important “escape routes” as plant and animal species shift their ranges to cooler climates.

Photo of a Cerulean warbler, with bluish feathers on head and stripes on body.
Cerulean warbler Among other migratory songbirds on the decline, Cerulean warblers will benefit from large, resilient protected places like the Cumberland Forest. © Matt Williams

Larger than Shenandoah and Acadia National Parks combined, the project represents a new way of doing conservation: Attracting private investment capital that allows TNC to conserve lands at a greater scale and at a faster pace.

By carefully managing these forests and enrolling them in the California Carbon Market and under Forest Stewardship Council certification, the project aims to improve the forests’ health while generating the revenue to pay back conservation-minded investors. The project also has implications for conservation’s future. By managing forests in a large-scale way that is both ecologically beneficial and economically sound, the Cumberland project can demonstrate an important tool in achieving the Conservancy’s vision of a future where both people and nature thrive.

Two people ride a dory down the Hoh River in Washington state.
Hoh River The Hoh River has some of the best salmon fisheries on the west coast of the U.S., with healthy runs of Coho, Chinook, and pink salmon. © Bridget Besaw

Washington’s Hoh River

The mossy Hoh River is among Washington’s most iconic places. Running from glaciated peaks of Olympic National Park through lowland rainforests to the Pacific Ocean, the Hoh River hosts one of the healthiest wild salmon runs in the Lower 48 states and provides habitat to black bear, river otter, bobcat, and mountain lions.

The Hoh Tribe lives at the river’s mouth, with profound cultural ties to resources and places in the watershed.

A salmon in a Washington river.
Healthy salmon habitat The Hoh River hosts one of the healthiest wild salmon runs in the lower 48 states. © Lauren Owens

The Conservancy seeks to grow the region’s climate resiliency by protecting and restoring habitat corridors along the length of the river river and enhancing the forest’s ability to store climate-changing carbon. Restoration activities include thinning and planting trees to increase natural diversity, adding log jams and repairing culverts to create more salmon habitat, and fixing forest roads, which can wash out and deliver damaging sediment to streams.

Among the conservation goals for this corridor is to regenerate a rainforest ecosystem with sustainable forestry and income flowing back into the community.

Bison grazing on rolling grasslands in late afternoon in the Loess Hills of Iowa.
Bison on the move As climate change alters their range, bison and other species will depend on varied terrain of places like The Nature Conservancy's Broken Kettle Grassland Preserve in the Loess Hills of Iowa. © Chris Helzer/The Nature Conservancy

Iowa’s Loess Hills

Fine particles of wind-blown silt, known as loess, created the Loess Hills as glaciers retreated north at the end of the last Ice Age. Today, the 650,000-acre Loess Hills landscape rises 200 feet above the Missouri River valley and is recognized for its unusually deep deposits of loess. Only one location in China has deeper and more extensive loess deposits.

The Loess Hills host an abundance of species including prairie rattlesnake, Great Plains skink, and ornate box turtles.  Migrating raptors follow the ridgelines. The upland sandpiper, a declining species, lives in the grasslands in the northern hills. 

Upland sandpiper in bluestem grass.
Upland Sandpiper Upland sandpipers are among many species that thrive in the grasslands of the Loess Hills. © Dale Rehder/TNC

The abundance of habitat and connectivity of protected lands within the Loess Hills, along with its “peak and saddle” topography, make it one of the most climate resilient areas in the region.

TNC’s Broken Kettle Grasslands Preserve has protected more than 7,000 acres of the Loess Hills. Fire and grazing are important processes for this landscape and lie at the core of TNC’s management efforts.