> In its 2020 fiscal year alone, Microsoft was responsible for the equivalent of 11,164,000 metric tons of carbon dioxide. Multiply that by $600, and Microsoft would face a bill of nearly $6.7 billion for just one year’s worth of pollution.<p>Microsoft's emissions are a fraction of the rounding error of global emissions. (Rounding error, not measurement error.)<p>Still, it would only be around $18T to capture all emissions: roughly 20% of global GDP. It's doable.