United Nations Framework Convention on Climate Change (UNFCCC) – http://www.unfccc.int.

UNFCCC–CDM site – http://unfccc.int/cdm/

National Communications Support Programme – http://www.undp.org/gef/cc/

IPCC Special Report on Land Use, Land-use Change and Forestry (LULUCF) – http://www.ipcc.ch/

International Institute for Sustainable Development (IISD), Canada – http://iisd1.iisd.ca/climatechange.htm

Pew Centre for Climate Change – http://www.pewclimate.org/

Earth Negotiations Bulletin (ENB) – http://www.iisd.ca/linkages/climate

Climate Policy – http://www.climatepolicy.com

Centre for Clean Air Policy (CCAP) – http://www.ccap.org/

Resources for the Future (RFF) – http://www.rff.org/

IPCC Data Distribution Centre (DDC) – http://ipcc-ddc.cru.uea.ac.uk/

IPCC National Greenhouse Gas Inventories Programme – http://www.ipccnggip.iges.or.jp/

Pacific Institute for Studies in Development – http://www.pacinst.org/

Center for International Forestry Research (CIFOR) – http://www.cifor.cgiar.org/

The FAO Climate change and forestry mailing list –  http://www.fao.org/forestry/climate

International Institute for Environment and Development (IIED) – http://www.iied.org/

Climate Ark (climate change and renewable energy portal) – http://www.climateark.org/

World Resources Institute (WRI) – http://www.wri.org

United States Initiative on Joint Implementation (USIJI) – http://www.gcrio.org/usiji/

Moving Towards Emissions Neutral Development (MEND) – http://www.cdmcapacity.com/MEND

The Global Environment Facility (GEF) – www.gefweb.org

The Joint Implementation Network (JIN), the Netherlands – http://www.northsea.nl/jiq

The Prototype Carbon Fund (PCF) –  http://www.prototypecarbonfund.org/

CERUPT – http://www.senter.nl/asp/page.asp?id=i001236&alias=erupt

Edinburgh Centre for Carbon Management (ECCM) – http://www.eccm.uk.com

Oak Ridge National Laboratory (ORNL) Carbon Dioxide Information Analysis Center (CDIAC) – http://cdiac.esd.ornl.gov

International Energy Agency (IEA) - http://data.iea.org
                                                   http://www.iea.org/envissu/pamsdb/index.html
                                                   http://library.iea.org/renewables/index.asp

United Nations Conference on Trade and Development (UNCTAD) - http://www.unctad.org/ghg

Carbon Market E-Learning Center (CMEC) - http://www.LearnSD.org

Emissions Marketing Association http://www.emissions.org

International Institute for Sustainable Development http://www.iisd.org

Carbon Disclosure Project http://www.cdproject.net

GHG Prorocol Initiative http://www.ghgprotocol.org/

 Other useful links:
                        http://www.cdmcapacity.org/
                        http://www.etei.org
                        http://ghgonline.org
                        http://www.tfsbrokers.com/environment/