Global biodiversity information facility:
www.gbif.org/press
Enviropedia:
www.enviropedia.org.uk
Toxnet:
http://toxnet.nlm.nih.gov
Ecology:
http://pbil.univ-lyon1.fr/Ecology/Ecology-WWW.html
Ecology:
www.ecology.com
Open Directory Project:
http://dmoz.org/Science/Biology/Ecology
Environment Web Directory:
www.webdirectory.com