Dr. Hannah leads climate change adaptation research for conservation international. His current research interests include effects of deforestation and climate change on ecosystem services in the Atlantic Forest of Brazil, modeling foodweb responses to climate change in the Tonle Sap lake of Cambodia, and understanding the effects of agricultural adaptation on biodiversity globally. He has published on the design of protected areas systems for climate change, assessing vulnerability to climate change in Madagascar and other countries, and the impacts on biodiversity of wine production suitability shifts due to climate change.