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On a small section of highway near the exit for the small town of West Point, Georgia, a new experiment is underway: The shoulder next to the road is now planted with Kernza, a perennial grain that can help fight climate change.Until recently, like most roadsides, the area was planted with grass, and this particular stretch of highway in a relatively rural part of Georgia might seem like an unlikely place for sustainable innovation. But it happens to be part of “The Ray,” a project to create the world’s first sustainable highway.On a nearby part of the highway project, which was created with seed money from the Ray C. Anderson Foundation, a solar farm in the shoulder generates energy while native plants provide food for pollinators. In another section, 50 square meters of the road is paved with “solar pavement” that generates power within the road surface. The new planting of the Kernza crop is the latest pilot along the road.“This is something that could provide additional land for farmers to cultivate, and provide a sustainable feedstock for massive companies that are providing highly consumable goods.” The plant was bred at the Kansas-based Land Institute from a type of wheatgrass related to wheat, but unlike more common grains, like corn, wheat, and barley, it grows perennially, rather than having to be plowed and replanted every year. As it grows, its roots stretch as far as 10 feet underground, helping make the plant more resilient, preventing erosion, and capturing more carbon in the soil.