Classification
UMV - Climatic change
144
UED - Environmental policy
24
GRB - Climatology
19
GRBA - Climatology - general
4
UEG - Environmental programs and expertises
4
YEA - Environmental law
4
UAX - Environment - information systems, literature guides
3
UCJ - Environmental protection - general aspects
3
UKA - Environmental damage and energy production
3
UMA - Atmospheric sciences
3
UMB - Atmospheric chemistry
3
EBA - Energy production, energy technology
2
EVA - Energy demand, energy supply - comprehensive works
2
GRBN - Climatological models
2
GSC - Remote sensing
2
LWE - Agriculture - general aspects
2
UAM - Environmental models
2
UEN - Environmental economy
2
UMGE - Carbon capture and storage (CCS)
2
AHA - Research and development, research politics - general
1
AHC - Research and development, research politics - Germany
1
AHE - Research and development, research politics - foreign countries
1
CRK - Application of isotopes
1
CXM - Coal combustion
1
EXA - Energy policy
1
GBC - Paleoclimatology
1
GMAC - Isotope geochemistry
1
GPAB - Flora, vegetation - geographical aspects
1
GRAD - Earth atmosphere, weather
1
GVA - Oceanography
1
GWA - Raw material economy, raw material policy
1
LCK - Ecology - general aspects
1
LCV - Ecology - models
1
LER - Plant physiology - ecological aspects
1
LWO - Agricultural ecology, sustainable agriculture
1
LWV - Agriculture - plant protection
1
UCQ - Environmental technology
1
UEDM - Policy of clean air
1
UEF - Sustainability
1
UEND - Environmental costs, environmental investments
1
UENH - Cost factors of air pollution and control
1
UKB - Environmental effects and energy
1
UKE - Environment and energy resources
1
UMC - Atmospheric physics
1
UMD - Atmospheric models
1
UMNE - Air pollution by gaseous pollutants
1
YRC - Technology and society
1