This story is made possible through a partnership between Grist and  The Flatwater Free Press , Nebraska’s first independent, nonprofit newsroom focused on investigations and feature stories. As the fast-moving blaze rolled toward Fire Chief Jason Schneider’s district in Cozad, Nebraska, he and his crew faced a literal uphill battle. The Cottonwood Fire was tearing through the Loess Canyons, an area defined by steep slopes, narrow valleys, few roads, and pockets of invasive eastern red cedar trees, which can throw embers and ash and even explode when they burn. “You think you would have it put out, and you keep on moving north, and you’d look back south and it’s just going again behind you,” Schneider said of the March blaze. But the situation started to improve when Schneider’s crew connected with the South Loup Burn Association, a group of landowners and ranchers who were also fighting the fire.…