| ESA-Specific Links |
| Earthnet on line | http://earth.esa.int/ |
| Envisat Project site | http://envisat.esa.int/ |
| ESA portal | http://www.esa.int/ |
| ESA Earth Observation | http://www.esa.int/export/esaEO/index.html |
| EO Principal Investigator Portal | http://eopi.esa.int/ |