I guess there are tons of other confounders possible and quite difficult to control for (admittedly did not read the original study). I guess if you would take a green space and pour concrete on it just for a study to measure it against a controll, it would for sure also trigger police violence as the protesters will most likely also be quite unhappy.
> We believe that higher levels of greenness can reduce violence through four major mechanisms: reduced crime, improved short-term and long-term mental health, sending a signal that a place is well-cared for and increasing the use of outdoor spaces by nearby neighbors.
While I did not read the paywalled paper, it seems like a latent variable might also explain it: affluence and greenery might be positively correlated and police are less trigger-happy in rich neighbourhoods.
There are studies in Japan that showed train stations with blue lights installed have lower instances of attempted suicides than stations without blue lights [1].
There are also studies that indicate time in nature is associated with lower stress levels and blood pressure, regardless of income [2].
This seems tenuous. "This research was rigorous and comprehensive, with extensive controls to account for other variables," I should find the original publication because I have no idea how you could establish a causal link.
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[ 4.8 ms ] story [ 44.6 ms ] threadWhile I did not read the paywalled paper, it seems like a latent variable might also explain it: affluence and greenery might be positively correlated and police are less trigger-happy in rich neighbourhoods.
[1] https://www.bbc.com/future/article/20190122-can-blue-lights-... [2] https://www.sciencedaily.com/releases/2024/02/240207120426.h...