The carbon removal industry was built around Microsoft's purchasing commitments. The company's scale gave CDR startups the contract certainty needed to raise capital and build operational capacity. Its pause does not simply reduce demand — it withdraws the credibility signal that other corporate buyers used to justify their own participation. What Microsoft signaled by entering the CDR market aggressively, it is now signaling in reverse by stepping away, and the companies that structured their growth around that anchor have no equivalent replacement. The …