Houlihan Lawrence is a long-time supporter of  the Greenburgh Nature Center. GNC Executive Director Kurt Hundgen recently accepted a $1500 contribution from Lewis Arlt, Houlihan Lawrence Brokerage Manager in Scarsdale. This year’s donation will support the Center’s 2010 Natural History Exhibit, entitled “Trees, Heroes of our Environment,”  highlighting how trees can be managed to promote a healthy ecosystem for people.