United Nations Framework Convention on Climate Change (UNFCCC) -
Рамочная конвенция ООН по изменению климата
wwww.unfccc.int

Point Carbon
www.pointcarbon.com

International Energy Agency
www.iea.org

Methane to Markets Partnership
www.methanetomarkets.org

Carbon Markets and Investors Association (CMIA)
www.carbonmarketsassociation.net

UNFCCC CDM Bazaar
www.cdmbazaar.net

Green Gas, DPB a.s.
www.dpb.cz

Hofstetter Umwelttechnik AG
www.hofstetter-uwt.ch

Minegas GmbH
www.minegas.com

Megtec Systems Inc.
www.megtec.com

Greenstar Gas Energy Ltd.
www.greenstar.ie

Coal International
wwww.mqworld.com