Greg Herbert, an Associate Professor in the USF School of Geosciences, discusses his long-term research into the ecology and evolution of marine ecosystems with particular focus on shelled marine invertebrates. He also discusses his current research into documenting the extent of human impacts on biodiversity in the Anthropocene and providing actionable information on conservation priorities to policy makers.   More about Greg can be found here: Selected Works  USF SGS Faculty Webpage   Calling: Earth is a production of the USF Libraries in cooperation with the USF School of Geosciences. Questions, comments, and any other feedback can be directed to callingearth@usf.edu.