Scope 3 emissions risk encompasses exposures from value chain activities including purchased goods, business travel, employee commuting, product use, and end-of-life treatment. These indirect emissions typically represent 70-90% of corporate carbon footprints but prove difficult to measure and control. Companies face regulatory risk as disclosure requirements expand, reputational risk from stakeholder scrutiny, and transition risk if suppliers cannot decarbonize. An automotive manufacturer confronts Scope 3 risks from steel production, vehicle operation emissions, and battery disposal. Managing these risks requires supplier engagement, product design changes, and sophisticated measurement methodologies. Investor and regulatory pressure increasingly demands Scope 3 transparency and reduction strategies alongside direct emissions management.