11:00 am – 12:30 pm: Plenary session (Moderator: Lovell Jarvis, UC Davis) Crucial science questions for climate change: Challenges, investments and actions Michael Obersteiner (IIASA): Addressing planetary challenges through ecosystem management - An analysis of major synergies and trade-offs Frank Ewert (University of Bonn): Modeling adaptation options for food security across world regions Chinwe Ifejika Speranza (Centre for Development and Environment (CDE), University of Bern, Switzerland): Resilience as a guiding principle for implementing practices and policies for climate variability and climate change in Africa. March 22, 2013