This Ministerial Decree regulates the licensing of hydrometeorological activities carried out by legal persons and individual entrepreneurs. Activities subject to compulsory licensing shall include: (a) assessment of meteorological, climatological, hydrological, heliophysical and agrometeorological characteristics of environment; (b) assessment of pollution levels, including radioactive pollution of the atmosphere, soil, water bodies and outer space; and (c) data collection and reporting on envi