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Environmental Health
| A detail from the earlier image shows the European mean tropospheric nitrogen dioxide (NO2) vertical column density (VCD) between January 2003 and June 2004, as measured by the SCIAMACHY instrument on ESA's Envisat. The scale is 1015 molecules/cm-2. Image produced by S. Beirle, U. Platt and T. Wagner of the University of Heidelberg's Institute for Environmental Physics.
Credits: University of Heidelberg | |  |  | |
| | | | | A detail from the earlier image shows the European mean tropospheric nitrogen dioxide (NO2) vertical column density (VCD) between January 2003 and June 2004, as measured by the SCIAMACHY instrument on ESA's Envisat. The scale is 1015 molecules/cm-2. Image produced by S. Beirle, U. Platt and T. Wagner of the University of Heidelberg's Institute for Environmental Physics.
Credits: University of Heidelberg | | | | |
| | | | | The total amount of water present on the Earth is fixed and does not change. Powered by the Sun, water is continually being circulated between the oceans, the atmosphere and the land. This circulation and conservation of the Earth's water, known as the water cycle, is a crucial component of our weather and climate.
Credits: ESA/AOES Medialab | | | | |
| | | | | | Excessive exposure to ultraviolet radiation is responsible for up to 60 000 deaths a year worldwide, according to a report released by the World Health Organisation. | | | | |
| | | | Last update: 2 July 2008 | |
| | EU Related links Environmental Health - EU health web page
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