Denmark imagonjetsa zonse chifukwa chokhala ambirinjingadziko lochezeka padziko lonse lapansi.Malinga ndi Copenhagenize Index yomwe yatchulidwa kale ya 2019, yomwe ili ndi mizinda kutengera momwe amayendera, chikhalidwe chawo, komanso chikhumbo chawo chokwera njinga, Copenhagen palokha ili pamwamba pa onse ndi 90.4%.

Monga mwina mzinda wabwino kwambiri wopalasa njinga, osati m'dziko lake lokha, komanso padziko lonse lapansi, Copenhagen idalanda Amsterdam (Netherlands) mchaka cha 2015 ndipo yangowonjezera kupezeka kwa okwera njinga kuyambira pamenepo.Komabe, pofika chaka cha 2019, kusiyana pakati pa mizinda iwiriyi kwangokhala ndi malire a 0.9%.Pamene Copenhagenize Index yotsatira idzatulutsidwa chaka chino, pali mwayi uliwonse kuti titha kuwona Netherlands ikupezanso malo apamwamba monga dziko lokonda kwambiri njinga.