WPP is a communications services holding firm that owns a number of brands across the communications spectrum, the most prominent of which are advertising and public relations agencies. We sent our survey to a number of WPP-owned PR agencies, including Burson Marsteller, Hill & Knowlton, Ogilvy, and Cohn & Wolfe. A few responded on their own, but WPP also sent a detailed response, which applies to all of its subsidiaries.
Investigating Climate Deniers and the Fossil Fuel Industry