You can find information & resources of science, biotechnology, chemistry, ecology, technology, science resources, mechanical engineering, earth sciences, astrophysics, nuclear & molecular at PortalScience.com
Agri-ville
Offers an online community of communication tools, educational opportunities, market information, and news for the agricultural producer.
http://www.agri-ville.com/
International Commission on Irrigation and Drainage
News, profile and publications of the non-profit organisation working to improve water and land management by the application of irrigation, drainage and flood management techniques, in English and French.
http://www.icid.org