Climate Data
Surface data
Satellite data
Air pollutants / emissions / ozone / aerosols
| AERONET | AErosol RObotic NETwork program (NASA) |
| CDIAC | Carbon Dioxide Information Analysis Center |
| EMEP | European Monitoring and Evaluation Programme also http://tarantula.nilu.no/projects/ccc/network/index.html |
| GEIA-ACCENT | The Global Emissions Inventory Activity (GEIA) Atmospheric Composition Change: the European Network (ACCENT) |
| NCAR-ACD | NCARĀ Atmospheric Chemistry Division |
| WDCGG | World Data Centre for Greenhouse Gases Measurements of greenhouse and related trace gas species (WMO) |
| WRI | Earth trends The Environmental Information Portal |
| WOUDC | World Ozone and Ultraviolet Radiation Data Centre (WMO) |
Ocean data
GOOS Global Ocean Observing System
Terrestial data
GTOS Global Terrestial Observing System also http://www.fao.org/gtos/GT-NET.html
Proxies and reconstructions / indirect data
| ACRE | Atmospheric Circulation Reconstructions over the Earth |
| CLIWOC | Climatological Database for the World's Oceans 1750-1850 |
| GCMD | Global Change Master Discovery (NASA) |
Climate extreme indices
| CLIVAR/ETCCDI | CLIVAR (Climate Variability and Predictability) project Expert Team on Climate Change Detection and Indices |
| ECA&D | European Climate Assessment & Dataset project |