“Sustainable” and “plant-based” aren’t just buzzy menu descriptors anymore. With Phoenix company DYPER, even baby tushes are getting the eco-treatment. It offers subscriptions to unscented bamboo diapers (also available: cloth diapers) sans alcohol, chlorine, latex and lotions. “I started the company to solve three problems: never running out of diapers, treating my daughter’s bum with no harmful chemicals and leaving a better planet behind for my three children,” owner Sergio Radovcic says. The company’s REDYPER...