A regular dose of nature could help improve mental health during the Covid-19 pandemic. — Stanislav Hubkin/IStock.com pic via AFP-Relaxnews TOKYO, Nov 19 — Regular use of green space and views of greenery from the home could help mitigate some of the negative mental health effects of the covid-19 pandemic, according to a new study led by researchers at the University of Tokyo, published in Ecological Applications.