Classification
UCL - Environmental research
UCJ - Environmental protection - general aspects
2
UCN - Environmental education
2
AFG - Large scale research institutions (Helmholtz Centres)
1
AHA - Research and development, research politics - general
1
LTH - Biotechnology - methods
1
UCE - Environmental impact, environmental pollution
1
UEN - Environmental economy
1
UEND - Environmental costs, environmental investments
1
UKA - Environmental damage and energy production
1