Zürich, Switzerland Online Tree Registry

This is very incomplete, as you can easily see by switching to the aerial photo base map but keeping the tree overlay[0]. You'll see a ton of trees that are not marked. I'm guessing it's only city-owned trees, or something like that?

[0] https://www.maps.stadt-zuerich.ch/zueriplan3/Stadtplan.aspx?...

I recently found that my city of Bristol, UK has the same [1] along with one for green spaces [2] and loads more at [3]. Fun to explore.

[1] https://opendata.bristol.gov.uk/datasets/7a99218a4bf347ff948...

[2] https://opendata.bristol.gov.uk/datasets/a5b3c152b9894127a64...

[3] https://opendata.bristol.gov.uk/

Here’s a link for my city. The city is number 1 for trees in the USA, I think Chicago has the least. At first glance it’s not as detailed and a little dated but there are more trees now than ever.

https://geospatial.gatech.edu/Greenspace/

Not enough, they need to plant a lot more to cool the city and deal with the larger rain fall.