CONSERVATION ORGS:

Rainforest Alliance - mmm, rainforests

http://www.rainforestfoundation.org/ Rainforest Foundation

Clinton Global Initiative - participants must commit to action before they can talk

http://www.defenders.org/ Defenders of Wildlife - search by US state

http://www.algalita.org/ Agalita Marine Research Foundation

http://www.rewilding.org/ The Rewilding Institute - unconventional approach

http://www.earthfirst.org/ Earth First! - unconventional approach

http://www.earthisland.org/ Earth Island Institute (offers fiscal sponsorship)

http://www.nrdc.org/ Natural Resources Defense Council

http://youngenvironmentalllc.com/ Young Environmental LLC - restoration (not necessarily permaculture)