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Municipalities for a greener future

Find all municipalities listed on GreenIdeaHub.

Green City


Population: 300000
Area in km²: 500


Population: 650000
Area in km²: 700


Population: 120000
Area in km²: 130


Population: 200000
Area in km²: 300

Free online database for cities to become more sustainable

GreenIdeaHub is the place where municipaly officials can look for new ideas around sustainability.

Free membership

Our platform wants to spark new ideas and thoughts and is therefore entirely free for municipalities.

Tailored to cities' needs

Our filters make it easy to find projects that are most suitable for each cities’ individual needs.