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IN 2007, give or take, came a watershed moment in the 300,000-odd-year history of Homo sapiens. For the first time, more of us were living in urban settings than in small communities embedded in largely natural environments.
Urbanisation has been a driver of human cultural and material development since the first cities arose some 6000 years ago. Yet it is becoming clear that city life brings with it burdens on our evolved psyches. Indeed, green spaces have been shown to be vital not just to our physical health, but also to our mental health, including in alleviating…
