| cpeo.org | Center for Public Environmental Oversight |
| arizona.edu | International Arid Lands Consortium |
| lighthawk.org | L i g h t H a w k |
| ucdavis.edu | Information Center for the Environment (ICE), University of California, |
| easi.org | Environmental Alliance for Senior Involvement |
| earthisland.org | Earth Island Institute: Innovative Action for the Environment |
| acfonline.org.au | Australian Conservation Foundation |
| gracelinks.org | GRACE Nuclear Abolition Project |
| livingearth.org.uk | Living Earth |
| conservationfoundation.co.uk | Conservation Foundation |
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