365 days of Darwin Charlie and the Adventure: August 17, 2010 Posted on August 17, 2010 by David Shiffman One of the recurring themes of this year’s ESA conference is sustainability, but during a visit to the Pittsburgh zoo’s store, even Charlie is surprised to see how far some people will go. Broadcast!Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Pinterest (Opens in new window)Click to email a link to a friend (Opens in new window)