"Look," says Peter Kareiva, head scientist for the Nature Conservancy, "we're in nature. The deal is how to work with it and how to help it work for us." Kareiva explains his pragmatic, "evidence-based" approach to conservation in this compelling lecture.
What makes a "livable" city? Bay Area architect and planner Peter Calthorpe draws on the concept of "livability" to explore how urban areas may adapt to a changing global climate.