Upon declaring COVID-19 a global pandemic, the World Health Organization (WHO) orchestrated a global risk-communication outreach. The WHO’s objective was to persuade the public to upend and alter their lives so as to contain the disease and minimize its spread and infection. The WHO found a simple and efficient medium to communicate glocally through the social media application WhatsApp, through which individuals could access information without gatekeeping by governments and local agencies.

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This article examines a targeted drought awareness campaign by the city of Cape Town in South Africa to prevent a looming water crisis dubbed Day Zero. Using rhetorical criticism and commonplaces, the article analyzes the design and (rhetorical)circulation of artifacts that heightened public awareness of the crisis, helped shape the public mindset, and galvanized collective action to prevent Day Zero. For one city in Africa to avert a water crisis through a rhetorically orchestrated set of technological, scientific, and civic interventions is significant for (among others) technical communicators who need to know not simply that it was done, but how rhetoric helped avert Day Zero.

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