With the 50th anniversary of Earth Day this spring, environmentally-minded people are thinking about how our relationship to the natural world has evolved. This hour, host Krys Boyd talks with a writer who investigates the stories of raw materials harvested in the wild. We’ll also hear from a former bug-spray developer who advocates for the “tiny lives” he once helped to exterminate. And an ecologist reveals what modern industries can learn from indigenous cultures about protecting the environment.