• Research on the interactions between natural and social systems, and with how those interactions affect the challenge of sustainability.
  • Science Sessions: The PNAS Podcast Program
March 4, 2014; 111 (9)

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Cover image: Pictured are possible impacts to multiple sectors in a warming world. Hans Joachim Schellnhuber, Katja Frieler, and Pavel Kabat introduce a series of articles that address the challenges of projecting on-the-ground social and environmental impacts of different global temperature increases. See the Introduction by Schellnhuber et al. on pages 3225–3227, a part of the Global Climate Impacts: A Cross-Sector, Multi-Model Assessment Special Feature. Images courtesy of: (Top row) Wikimedia Commons/Danny S.; Potsdam Institute for Climate Impact Research (Potsdam, Germany). (Bottom row) Wikimedia Commons/Thomas Castelazo; Flickr.com/CraneStation.

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