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Are you searching for authoritative knowledge in Natural Sciences and Social Sciences in all their deep specializations, global issues such as climate change, sustainable development, etc?

There are many sources of information on the internet in unmanageable numbers and diversity and often one is not sure of the quality and authenticity. Your time and effort can be mostly spent in searching the Internet for the right source for the subject of your interest.

Then search no more.

Here at www.eolss.net you are in the one place that will satisfy all your needs for authenticity, quality, breadth and depth of coverage with a choice among hundreds of subject areas and their interconnections.

The EOLSS On-line is a virtual library in which you have everything that you need for all practical purposes. At the same time, the annotated bibliography in each chapter of the EOLSS On-line references other outside sources.

The EOLSS On-line is always with you wherever you are and you can enter its enormous world of knowledge with the touch of a button and move through it with ease.

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Individual Users
Individual Users 

Institutional Users
High School Users 
High Schools
Community Colleges Community Colleges (2 Year Colleges)
Higher Institutions Users Higher Educational Institutions and Research Establishments
Government and Public Sector Organizations Governmental and Public Sector Organizations
Private Sector Organizations Private Sector Organizations
Public Libraries Users Public Libraries
UN List of LDC Countries Educational Institutions from the UN List of Least Developed Countries (LDCs)

If you are interested in marketing the EOLSS in your area, please Contact us.  


EOLSS offered free access to:

� Individuals (Disadvantaged) Students including Individual Members of  GUS/UNESCO/UNITWIN, Minority Colleges and Universities & Engineers without Borders / Engineers without Frontiers.

� Educational Institutions in The UN List of Least Developed Countries (LDC), Minority Colleges And Universities which include Historically Black Colleges and Universities (HBCU), Hispanic Serving Institutions (HSI), and Tribal Colleges and Universities (TCU), Members Of GUS/UNESCO/UNITWIN & Engineers Without Borders / Engineers Without Frontiers, Universities from developing countries.

The Largest On-line Encyclopedia 
A virtual dynamic library of about 600 Volumes

(Peer reviewed body of state-of-the-art archival knowledge edited by hundreds of subject experts with contributions from over 8000 reputed authors from more than 100 countries)


The EOLSS body of knowledge is an integrated compendium of twenty one encyclopedias. It attempts to forge pathways between disciplines in order to show their interdependence and helps foster the transdisciplinary aspects of the relationship between nature and human society. It deals in detail with interdisciplinary and trandiscplinary subjects, but it is also disciplinary as each major core subject is covered in great depth, by world experts.

Earth and Atmospheric Sciences
Mathematical Sciences
Biological, Physiological and Health Sciences
Tropical Biology and Conservation Management
Land Use, Land Cover and Soil Sciences
Social Sciences and Humanities
Physical Sciences, Engineering and Technology resources
Control Systems, Robotics and Automation
Chemical Sciences Engineering and Technology Resources
Water Sciences, Engineering and Technology Resources
Energy Sciences, Engineering and Technology Resources
Environmental and Ecological Sciences,Engineering and Technology Resources
Food and Agricultural Sciences, Engineering and Technology Resources
Human Resources Policy, Development and Management
Natural Resources Policy and Management
Development and Economic Sciences
Institutional and Infrastructural Resources
Technology, Information and System Management Resources
Area studies (Africa, Brazil, Canada and USA, China, Europe, Japan, Russia)

Desalination and Water Resources (DESWARE)

Major Theme subjects have been released recently in eBook and Print format for additional convenience of users.

Download here EOLSS Publications Catalogue

UNESCO inPartnership with EOLSS

Please take a tour of the EOLSS Demo as a useful introduction

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