Dana Cupkova and Kevin Pratt, professors of architecture at Cornell University and principals of the architectural research and design collaborative EPIPHYTE Lab, give a presentation at the 2012 Hans and Roger Strauch Symposium on Sustainable Design, "Sustaining Sustainability: Alternative Approaches in Urban Ecology and Architecture," February 4, 2012.

The symposium was organized jointly by the Cornell University Department of Architecture and the Oslo School of Architecture and Design Research Center for Architecture and Tectonics.