Waldeinsamkeit: Germanys cherished forest tradition

BBC  

15 March 2021

Take two hours of pine forest and call me in the morning

Outside Magazine 

28 November 2012

For Better Health during the pandemic, is two hours outdoors the new 10,000 Steps?

Wall Street Journal 

17 February 2021

What we should keep post- pandemic

NBC News

26 April 2021

Can nature help improve our mood?Coronavirus lockdown.

BBC

03 May 2020

Spending Time Outdoors is good for you 

Harvard Health Publishing

July 2010