“Our need of nature is an integral part of our humanity, and the bond that unites us with nature is never broken.” Peter Wohlleben recounts how he discovered his hidden bond with nature in  The Hidden Life of Trees . The sensation sprung up unexpectedly when he was working to optimize forestry output for the lumber industry. At the time, trees were nothing more than profitable commodities for him.  He recounts: One day, as I was doing my daily job across the forest, I stumbled over an old tree stump. When I examined the chunk of wood covering the ground …