You can find information & resources of science, biotechnology, chemistry, ecology, technology, science resources, mechanical engineering, earth sciences, astrophysics, nuclear & molecular at PortalScience.com
Eco-action
Articles and background information for ecological direct action. UK and global news, links and contacts.
http://www.eco-action.org/
Ecovolunteer
Gives the opportunity to protect nature and its inhabitants by helping local organizations with their conservation projects.
http://www.ecovolunteer.org/
Friends of Ecological Reserves
Information about ecological reserves, the not-for-profit charitable organization and products and membership to purchase to support ecoreserves.
http://www.ecoreserves.bc.ca
International Mire Conservation Group
Promoting the conservation of mires and related ecosystems, giving information on the sustainable use of mires, red lists of European wetland plants and a link to the IMCG newsletter.
http://www.imcg.net/
The National Audubon Society
The mission of the National Audubon Society is to conserve and restore natural ecosystems, focusing on birds and other wildlife for the benefit of humanity and the earth's biological diversity.
http://www.audubon.org/