Classification
UMV - Climatic change
14
UED - Environmental policy
10
UEA - Environmental policy and economy - general aspects
6
YRA - Social studies
6
UKA - Environmental damage and energy production
4
UEDM - Policy of clean air
3
YRC - Technology and society
3
LCK - Ecology - general aspects
2
UCQ - Environmental technology
2
UEG - Environmental programs and expertises
2
UHN - Landscape ecology
2
UHP - Protection of nature and landscape
2
YRE - Risk assessment
2
EXA - Energy policy
1
UKE - Environment and energy resources
1
UMK - Air pollution - general aspects
1
USU - Waste recycling
1
YRB - Social sciences, sociology
1