“…This study employs legitimacy theory to examine whether a firm's dissemination of carbon‐related information ( iCarbon ) on Twitter's social media network can influence a firm's COE. Social media is an essential tool for connecting stakeholders with firms, for influencing corporate practice, and for controlling corporate pollution and irresponsible practices (Jia, Tong, Viswanath, & Zhang, ). The Twitter platform, which enables the isolation of the effect of dissemination from that of disclosure (Blankespoor et al, ; Jung, Naughton, Tahoun, & Wang, ), has “changed the disclosure landscape and the way firms communicate important information to stakeholders” (Lee, Hutton, & Shu, , p. 368) and can provide positive signals to market participants about a firm's environmental responsibility to respond to the uncertainty of carbon risks and to improve the firm's reputation and image (Barnett & Salomon, ).…”