On Tuesday September 30, 2014, PSSA hosted, "A Conversation on Climate Change: Where Do We Stand?" featuring Columbia Law School Environmental Law School Professor Michael Gerrard and Earth Institute Faculty Member and Co-Director of the Undergraduate Sustainable Development Program Jason Smerdon. On the heel’s of the People’s Climate March, the world’s largest climate march, students learned more about the facts of climate change and how they can make a difference.