BP
Chevron Corporation
Det Norske Veritas (DNV)
Global Industrial and Social Progress Research Institute
International Paper
KPMG
MGM International
Ministry of Environment and Natural Resources (SEMARNAT)
Ministry of Housing, Spatial Planning and the Environment
Natural Resources Canada (NRCan)
Natural Resources Defense Council (NRDC)
Pacific Forest Trust
Senergy Global
Tellus Institute
TEPCO
United Kingdom Department for Environment Food and Rural Affairs (UK DEFRA)
U.S. Environmental Protection Agency

URS

United States Environmental Protection Agency

KPMG LLP
DNV

500ppm
Anglo American/KPMG
BP
Center for Clean Air Policy (CCAP)
CCAP
Climate Trust
Conservation International
DNV
El Colegio de la Frontera Sur
Energetics
Energy and Communications Solutions
Environmental Interface Limited
Environmental Resources Management (ERM)
ERM/University of East Anglia
ENVORK
Future Forests
Gaz Metropolitan
GCCI/INET, Tsinghua University
GHG Spaces Ltd.
Hamburg Institute of International Economics
ICLEI
Institute for Global Environmental Strategies/Climate Experts Ltd.
International Energy Agency
Lafarge
Lawrence Berkeley National Laboratory (LBNL)
Margaree Consultants Inc.
Mirant
National Council for Air and Steam Improvement
PA Consulting Group
Pacific Consultants
Pacific Consultants
Pacific Forest Trust
Pelangi
PricewaterhouseCoopers (PwC)
Royal Dutch Shell
Tetra Tech
The Nature Conservancy (TNC)
Torrie Smith Associates
Toyota
UK DEFRA
Union of Concerned Scientists
United Nations Framework Convention on Climate Change
U.S. Environmental Protection Agency
Weyerhaeuser Company
Winrock International
World Bank
World Wildlife Fund

Ademe, France
Applied Ecological Services
BP
Chevron Corporation
Climate Neutral Network
Dow Chemical Company
Energetics Pty Ltd and Sydney Water
Environmental Interface Limited
Florida Light and Power
Independent Consultant
Indian Council of Forestry Research & Education
Indocement/Heidelberg Cement
Interface Inc.
International Paper
LBNL
Louis Berger Group
Natural Resources Canada
Oregon Department of Energy
Pacific Forest Trust
Priestley Consulting
Research Triangle Institute
Saskatchewan Research Council
State Forests of NSW
TEPCO
URS
U.S. Environmental Protection Agency
Woodrising Consulting Inc.

American Petroleum Institute
Anglo American
Battelle
Borax
Brown University
Climate Action Reserve
Capacity Building, Leadership & Action
CH2M Hill
Climate Neutral Network
Deloitte & Touche
DNV
ECOLOGIA/WRI
EcoSecurities
Edison Electric Institute
EMCON
ENDESA
Environmental Defense
Environmental Impact Management Services
Environmental Resources Trust
Eskom
Gujarat Ambuja Cement
Heck Associates
Indian Farmers Fertilizer Cooperative Limited
Japan Quality Assurance (JQA)
Johnson & Johnson
Kansai Electric Power Company (KEPCO)
KPMG
Louis Berger Group
National Business Initiative (NBI)
National Renewable Energy Laboratory
Natsource
Natural Resources Defense Council
Nestle
Osaka Gas
PA Consulting
Pacific Gas & Electric
Palabora Mining
Phillips India
Project Performance Corporation
PwC
Resources for the Future
Respect Europe
SASOL
Schiller Consulting
South African Breweries
Southern Company
TEPCO
The Energy and Resources Institute (TERI)
The Climate Trust
The LEVON Group
Tokyo Gas Company
TÜV Süddeutschland
United States Agency for International Development
Unocal
URS Corporation
U.S. Environmental Protection Agency
VCR-MVR
Veolia Environment
Webber Wentzel
Winrock International
WWF

3M
ALSTOM Power
Aon Risk Consulting
ARUP
Baseline Protection Initiative
BP
Canadian Petroleum Products Institute
Canadian Standards Association
Capital E
Carrier Corporation
CCAP
CEMEX
Center for Energy and Environmental Policy, University of Delaware
Center for International Environmental Law
Chicago Climate Exchange
Climate, Community & Biodiversity Alliance
Conservation International
CRL Energy
Cumming Cockburn Limited
Dalmia Cement
Deloitte
Development Alternatives
ISG Resources
DNV
E Source
E.ON UK
EcoSecurities
Energetics
Energy Futures Australia
Energy Research Institute
Environment Canada
Ernst Basler & Partners Ltd.
Essential Science
Exelon Power
Farmer’s Ethanol LLC
Fertiliser Association of India
First Environment
Five Winds International
Fletcher Building Limited
Fundacion Entorno
Future Forests
Greenhouse Emissions Management Consortium
Hamburg Institute of International Economics
Hancock Natural Resource Group
Hindalco Industries Limited
ICF Consulting
IEEE
Independent consultant
Indian Institute of Management
International Aluminium Institute
International Aluminium Association
International Emissions Trading Association
IRM Consulting
KEPCO
KPMG
Lafarge
L.S. Bernstein & Associates
Ministry of Environment, Wildlife, and Tourism, Botswana
Ministry of Science and Technology of China
NRCan
NREL
Nuclear Energy Institute
Pacific Forest Trust
Pembina Institute
PwC
Resource Recovery Systems
Sampson Group
Seattle City Light
SENTER
SGS
Shell
State Forests of NSW
Swiss Federal Institute of Technology
Tata Steel
TEPCO
TERI
The Carbon Store
TNC
Tokyo Gas Company
United States Department of Agriculture
University of British Columbia
University of Surrey
URS Corporation
World Bank
Yale Univerisity