Across Minnesota, North Dakota and South Dakota, The Nature Conservancy protects 1 million acres of land, including the Bluestem Prairie Preserve.

“Sea of Grass,” written by Hage and former Star Tribune environmental reporter Josephine Marcotty, hit bookstores just before ...

The cover of "Sea of Grass" and authors Dave Hage and Josephine Marcotty. (Courtesy of Penguin Random House and Chris Bentley/Here & Now) The North American prairie rivals the Amazon rainforest in ...

The sun sets over a field in Sterling, North Dakota, on June 6, 2016. Ranchers here carefully manage the timing and intensity of their grazing, paying close attention to grass and soil health ...