This report presents the latest thinking and new approaches to emerging and persistent challenges to achieve food security in the 21st century.

This guidebook covers a range of building technologies, design principles and practices which can significantly reduce emissions of greenhouse gases, while improving living and working conditions. All the mitigation technologies and practices are dealt with in simple language and approaches for implementing these technologies are also provided.

Globally, irrigated agriculture is the largest abstractor and predominant consumer of groundwater resources. In many arid and drought-prone areas, unconstrained use is causing serious aquifer depletion and environmental degradation.

This collection of papers was presented at a conference on linkages between climate change, water, conflict and migration, held in September 2011 at The Hague, in the Netherlands, where the discussion focused on: capacity building and resilience in climate hotspots; conflict prevention; and a legal framework to protect environmental migrants.