You mean removing all the parks in favour of car parks and apartments wasn't actually a good idea and that the short-term profiteering will have long-term consequences that we'll be paying for for generations? Who foresaw such a thing?
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Guerilla gardening. Your city won't do it? Do it yourself
I'm all for it, but this does still require patches of soil in the cities that are rapidly getting paved over.
For a few years my wife and I were thinking of moving to Saigon, and this was one of the biggest reasons we chose not to. When we were considering it, they were even reducing the amount of green spaces, which is obviously the exact wrong direction.
EG this article from 2017 https://saigoneer.com/society/society-categories/10578-photos-a-bird-s-eye-view-of-saigon-s-remaining-green-spaces and this article from 2019 https://saigoneer.com/saigon-news/16954-saigon-s-urban-green-coverage-is-poor,-but-little-is-done-to-speed-up-park-projects
Yeah, I hate this. I remember when I was a kid (almost two decades ago), there used to be giant trees all over the city. Now, when you look out the window, it's just an endless sea of grey.