For thousands of years, layers of partially decomposed plants accumulated beneath a vast wetland in North Carolina, creating a deep store of carbon. That changed when an abandoned farming venture carved about 50 miles of drainage ditches through the land, lowering the water table and exposing the ancient peat to air.

Investors and scientists are restoring a 23-square-mile tract of peatland in North Carolina to curb emissions of climate-warming carbon dioxide and regenerate native habitat

North Carolina's peatlands, vital carbon stores, are being restored by Pantheon Regeneration. These ancient ecosystems hold twice the carbon of all Earth's forests combined. …