Kansas prairie burning in the Flint Hills

The Flint Hills of Kansas holds the largest tract of tallgrass prairie in North America. Native grasses have been shielded from encroaching trees and woody plants by fire — wild and intentional. Fields are commonly set ablaze in April to promote emergence of nutritious grass for grazing livestock. All that concentrated smoke triggers disturbing levels of air pollution. Spreading the burns to fall and winter is an intriguing option, but the intersection of tradition and science offers no easy answers. Read more: http://cjonline.com/news/state-govern...