Microsoft has signed a deal to acquire 3.7 million metric tons of carbon removal credits from CO280, focusing on emissions from a Gulf Coast pulp and paper mill. This initiative aims to support Microsoft's goal of becoming carbon-negative by 2030, as the company currently emits 17.1 million metric tons of greenhouse gases. The carbon capture project, set to begin in 2028, is projected to remove about 40% of the mill's biogenic CO2. CO280 plans further expansions, and the deal is expected to enhance the financial viability of participating paper mills.