Forest Bathing, again.

Then there’s evidence showing the extent to which forests influence our mental health. Poorer air quality, a byproduct of deforestation, is linked to higher rates of depression and anxiety. By contrast, research has found that the more a country’s landmass is covered by forests, the lower its prevalence of mental health disorders.

In the 1980s, Japan even pioneered a form of therapy around trees: s hinrin-yoku, also known as “forest bathing,” which seeks to harness psychologically restorative effects from being outdoors. The practice has become fairly popular in California, and here in Canada some doctors prescribe it.