Carbon-emitting companies must disclose the full scope of their greenhouse gas emissions or risk confrontation with investors at their annual shareholder meetings, BlackRock - the world's biggest asset manager - said on Wednesday. The warning is the first time BlackRock has publicly sought the release of Scope 3 emissions data, part of its plan to hold companies to account over climate change. The news comes after BlackRock Chief Executive Larry Fink recently made climate central to his...