As its name suggests, Boston-based Greentech Media serves the green energy space. What may not be as readily apparent is that paid research and subscription services—not media—are its primary drivers, accounting for almost two-thirds of Greentech’s overall revenue and its fastest growing revenue stream. Here, Greentech CEO Scott Clavenna explains how prioritizing research—complemented by digital media and events—gives Greentech a recurring revenue stream that shields it from some of the fickleness of an advertising-only model and allows for major upsell opportunities with clients.