Schlagwörter
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energy production
16
environmental factors
8
erneuerbare Energie
16
green infrastructure
8
grenzüberschreitende Zusammenarbeit
16
infrastructure
8
network structures
8
policy instruments
8
renewable energy
16
research platform
8
spezielle Ressortpolitik
16
urban development
8
urban water management
8
waste processing
16
zero-emissions municipalities
8