  |
National Institute of Meteorology and Hydrology - http://www.meteo.bg/
Gives for more than 134 years its humble information and scientific contribution to the mastering and studying of the problems related to the climate change, weather and water resources. |
| |
Geophysical Institute - http://www.geophys.bas.bg/
Conducts research in the fields of seismology, geomagnetism, gravimetry, physics of the atmosphere, ionosphere and geospace. |
| |
Geological Institute - http://www.geology.bas.bg/
Performs principal geological science research, includes brief history, departments, research, and periodicals. |