Book excerpt: Dimensions of Sustainable Development is the component of Encyclopedia of Development and Economic Sciences in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. The Theme on Dimensions of Sustainable Development, in two volumes, deals with the diversity of points of view on this complex subject. The chapters in these volumes are organized into five groups. The first starts with chapters introducing the general concepts underlying sustainable development. The second treats current and emerging understandings of the general biophysical limits of economic growth and development. The third focuses on the human and social capital requirements for sustainability. The fourth deals with a particular aspect of the organization of human economic and technological activity. The final group discusses something of the diversity of possible approaches to the management of sustainability. These two volumes are aimed at the following five major target audiences: University and College students Educators, Professional practitioners, Research personnel and Policy analysts, managers, and decision makers and NGOs.