Classification
UMV - Climatic change
146
UED - Environmental policy
31
UMNE - Air pollution by gaseous pollutants
30
GRB - Climatology
24
UMB - Atmospheric chemistry
21
UKA - Environmental damage and energy production
18
LWE - Agriculture - general aspects
17
GRBA - Climatology - general
14
UAX - Environment - information systems, literature guides
8
UMD - Atmospheric models
7
GRBN - Climatological models
6
UCA - Environmental problems, man and environment - general aspects
6
UEA - Environmental policy and economy - general aspects
6
UMN - Air pollution control and measurement
6
URA - Soil chemistry
6
EVN - Energy supply - future aspects
5
UCE - Environmental impact, environmental pollution
5
UEN - Environmental economy
5
UKB - Environmental effects and energy
5
ENA - Energy from biomass and waste
4
EXA - Energy policy
4
UAM - Environmental models
4
UENH - Cost factors of air pollution and control
4
UHK - Traffic and environment - incl. automobile exhaust gas
4
UKE - Environment and energy resources
4
YRC - Technology and society
4
EHA - Renewable energy sources
3
EWA - Energy economy
3
GMA - Geochemistry - general
3
UCG - Control of environmental pollution
3
UMC - Atmospheric physics
3
UMK - Air pollution - general aspects
3
UMNC - Air pollution control by chemical analytical methods
3
YRA - Social studies
3
CXA - Coal and fossil fuel - chemistry and technology
2
EAD - Energy - comprehensive works
2
EUD - Energy consumption
2
EVA - Energy demand, energy supply - comprehensive works
2
GMAD - Organic geochemistry
2
GPAB - Flora, vegetation - geographical aspects
2
GRAD - Earth atmosphere, weather
2
LCK - Ecology - general aspects
2
LWH - Agriculture - soil sciences
2
LWO - Agricultural ecology, sustainable agriculture
2
UEDM - Policy of clean air
2
UEND - Environmental costs, environmental investments
2
UHC - Area planning and environment
2
UKH - Environment and power plants, industrial plants
2
YEA - Environmental law
2
AFM - Research institutions - Europe
1
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