Response to Autin and Holbrook on “Is the Anthropocene an issue of stratigraphy or pop culture?”

Zalasiewicz, Jan; Cearreta, Alejandro; Crutzen, Paul; Ellis, Erle; Ellis, Michael; Grinevald, Jacques; McNeill, John; Poirier, Clément; Price, Simon; Richter, Dan; Scholes, Mary; Steffen, Will; Vidas, Davor; Waters, Colin; Williams, Mark; Wolfe, Alexander P.. 2012. Response to Autin and Holbrook on “Is the Anthropocene an issue of stratigraphy or pop culture?”. GSA Today 22: e21.