In 2015, 33,091 Americans died of opioid overdose. That is a lot of people, and the opioid epidemic is a major problem. But in the same year, 44,193 people died from suicide, the vast majority of whom suffered from depression. Everyone is talking about the opioid crisis....

Aldo Leopold once said, “Conservation is a state of harmony between men and land.” This flowery quote brings to mind images of sparkling lakes, giant redwood trees and happy little squirrels collecting nuts in Disneyesque fashion. It paints a picture of a peaceful world. Now,...