Full List:
The Sierra Club
350.org
350 Berks & Lehigh Valley Climate Action
Air Alliance Houston
Alaska Wilderness League
Alliance for Climate Education
Americans for Transit
Arlingtonians for a Clean Environment
Backbone Campaign
Ben & Jerry's Ice Cream
Berks Gas Truth
Berkshire Environmental Action Team
Better Future Project
BOLD Nebraska
Catskill Mountainkeeper
Center for a New American Dream
Center for Biological Diversity
Center for Health, Environment & Justice
Center for International Environmental Law
Chesapeake Climate Action Network
Citizens Climate Lobby
Clean Water Action
Climate Action Network Canada
Climate Change Initiative of Howard County
Climate Parents
Climate Reality Project
ClimateMama
Coalition Against Nukes
ColorOfChange.org
Cool Planet Minnesota
CREDO Action
Dakota Rural Action
Democracy for America
Dogwood Alliance
Dorothy Day Catholic Worker
Earth Day Network
Earth in Brackets
Earth Island Institute
Earth Month Network
Earth Quaker Action Team
Earthworks
EcoJive
Energy Action Coalition
Environment America
Environment Maine
Environment Minnesota
Environmental Action
Environmental Defence Canada
Environmental Media Association
Ethical Electric
Fast for the Earth
Fellowship of Reconciliation
Food and Water Watch
Forecast the Facts
ForestEthics
Friends of the Earth US
Georgia Climate Change Coalition
Global Community Monitor
Global Exchange
Global Kids, Inc.
Green America
Green for All
Green Party of New York State
Green Schools Alliance
Green Zionist Alliance
GreenFaith
Greenpeace Canada
Greenpeace US
Gulf Restoration Network
Hip Hop Caucus
Human Impacts Institute
Indigenous Environmental Network
Institute for Policy Studies, Sustainable Energy and Economy Network
Interdependence Movement
Interfaith Moral Action on Climate
Interfaith Power & Light
Interfaith Power & Light (MD.DC.NoVA)
International Forum on Globalization
International Rivers
International Women's Earth and Climate Initiative
Just Foreign Policy
Kids vs. Global Warming
League of Conservation Voters
League of Women Voters
League of Young Voters
Maryknoll Office for Global Concerns
Massachusetts Climate Action Network
MaynardCAN!
MN350
Moms Clean Air Task Force
MoveOn.org
NAACP Youth and College Division
National Audubon Society
National Latino Coalition on Climate Change
National Nurses United
National Religious Coalition on Creation Care
National Wildlife Federation
Natural Resources Defense Council
Nebraska Farmers Union
New Jersey Environmental Lobby
New York City Audubon Society
New Yorkers Against Fracking
North Texas Environmental Voters
NYC Climate Coalition
Ohio Valley Environmental Coalition
Oil Change International
One Earth Productions: "Greedy Lying Bastards"
Organic Consumers Association
Patagonia
Physicians for Social Responsibility
PlanIt4Planet
Progressives United
Public Citizen
Rebuild the Dream
Renew America Roadtrip
Represent.Us
Ridebuzz.org
River Network
Riverkeeper
Roanoke Valley Cool Cities Coalition
Safe Climate Campaign
Sane Energy Project
SaveWithSunlight, Inc.
Seventh Generation
Sierra Club BC
Sierra Club Canada - Prairie Chapter
SLAB Watchdog
Sojourners: Faith in Action for Social Justice
Solidarity
Southern Alliance for Clean Energy
Southern Energy Network
Standing Rock Sioux Tribe, Tribal Historic Preservation Office
Story of Stuff Project
Sungevity
SunHarvest Solar Company
Sunrun
Sustainable Man
SustainUS
SXSW Eco
Tar Sands Blockade
The Azul Project
The Center for Food Safety
The Council of Canadians
The Mothers Project: United for Sustainability
The Other 98%
The Wilderness Society
The William C. Velasquez Institute
Toronto Climate Campaign
UK Tar Sands Network
Unitarian Universalist Association
Unitarian Universalist Ministry for Earth
United for Action
United for Peace and Justice
Unity College
US Climate Action Network
USAction/TrueMajority
Vermont Natural Resources Council
Virginia NOW
Washington Peace Center
Waterkeeper Alliance
WESPAC Foundation
Will Steger Foundation
Women Donors Network
Women's Earth and Climate Caucus
World Can't Wait
World Wildlife Fund
yerdle
Young Evangelicals for Climate Action