Copenhagen Global Change Initiative
http://www.cogci.dk

Intergovernmental Panel on Climate Change - IPCC
www.ipcc.ch

Global Carbon Project
http://www.globalcarbonproject.org
Shared partnership between the International Geosphere-Biosphere Programme (IGBP), the International Human Dimensions Programme on Global Environmental Change (IHDP), the World Climate Research Programme (WCRP) amd Diversitas. This partnership constitutes the Earth Systems Science Partnership (ESSP).

NitroEurope
http://www.nitroeurope.eu/
NitroEurope - or NEU for short - is a project for integrated European research into the nitrogen cycle. NitroEurope is part of the EU's Sixth Framework Programme for Research and Technological Development, and will run for 5 years from February 2006 until 2011.

http://www.climaite.dk/eprecot/eprecot.html
International workshop on effects of precipitation change on terrestrial ecosystems