Join our colleagues at Green-Wood Cemetery for this discussion of NYC history. Long before there was Green-Wood, there was a glacier—a massive ice sheet that pushed southward, forging the Cemetery’s characteristic terrain. Join Eric W. Sanderson, senior conservation ecologist for the Wildlife Conservation Society at the Bronx Zoo and author of "Mannahatta: A Natural History of New York City", for a conversation about Green-Wood’s geological past. Hosted by Green-Wood’s historian, Jeff Richman, you’ll learn how Green-Wood’s hills and ponds were…