By Kaileen Gruber, Laramie Boomerang | August 15, 2026 Rowdy Yeatts, High Plains Biochar LLC and Climate Coffee founder, owner and CEO, is shown next to the company’s roaster. Kaileen Gruber/Laramie Boomerang A Laramie company is transforming the daily caffeine fix into a climate solution. Climate Coffee, created by High Plains Biochar LLC, has developed what it calls the world’s first carbon-negative coffee roaster. Founded by Owner and CEO Rowdy Yeatts, the company speciali