Helga's childhood was plagued with incidences in which she felt invisible and not cared for. The negative sentiments directed at her by her parents and those around her adversely affected her in the future.
Captain Compost Heap (CCH) sings a song about the importance of recycling, conserving the environment, and reducing pollution. The song explains the adverse effects of neglecting the environment and provides insight into the factors causing global warming.
When Double D's shower is being renovated, he has trouble getting his day off on the right foot. After repeatedly being denied a shower from the other kids and accidentally getting himself dirtier in the process, he loses his mind. He completely neglects his well-being and embraces throwing trash on himself.