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Coalition to Restore Coastal Louisiana
Coastal Conservation Network
CoFed - The Cooperative Food Empowerment Directive
COLIBRIS
Columbia Riverkeeper
Columbia Mountains Institute of Applied Ecology
Comite Zone D'intervention Prioritaire (ZIP) des seigneuries
COMBAT MONSANTO
Comite de Reflexion d'Information et de Lutte Anti-nucleaire (CRILAN)
Collectif Adour Eau Transparente
Connecticut Farmland Trust
Confederation paysanne
Communities for a Better Environment
Conemaugh Valley Conservancy
Conservation Hawks
Continental Divide Trail Coalition
Conservatoire d'espaces naturels d'Auvergne (CEN Auvergne)
Cordillera Tropical Foundation / Fundaci�_n Cordillera Tropical
Craighead Institute
Cornell Lab of Ornithology
Corvallis Environmental Center
Council of the Haida Nation
CPAWS NWT
CPAWS Northern Alberta
Crooked Trails
Cuyahoga River Restoration
Cultivons nos toits
David Shepherd Wildlife Foundation
DEPLOY/US
Earth's Classroom (E.C.)
Dobutsu-tachi no Byoin Okinawa
Earthroots Field School
EarthShare California
EarthShare of Georgia
EarthLinks, Inc.
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