1. A safe operating space for humanity
2. World Agriculture towards 2030/2050: The 2012 Revision;Alexandratos,2012
3. Water scarcity: Fact or fiction?
4. Information Products for Nile Basin Water Resources Management;Hilhorst,2011
5. Assessing future risks to agricultural productivity, water resources and food security—How can remote sensing help?;Thenkabail;Photogramm. Eng. Remote Sens.,2012