Classification
UED - Environmental policy
UEA - Environmental policy and economy - general aspects
6
UCA - Environmental problems, man and environment - general aspects
4
UMV - Climatic change
3
UPVN - Ocean water, coastal waters
3
UCJ - Environmental protection - general aspects
2
UEN - Environmental economy
2
YEA - Environmental law
2
EXA - Energy policy
1
GRBN - Climatological models
1
GWA - Raw material economy, raw material policy
1
LCK - Ecology - general aspects
1
UAM - Environmental models
1
UCN - Environmental education
1
UEF - Sustainability
1
UEG - Environmental programs and expertises
1
UHP - Protection of nature and landscape
1
UKA - Environmental damage and energy production
1
UMD - Atmospheric models
1
YPO - Economic policy
1