Why is the story The Lorax called a cautionary tale?

"The Lorax" is considered a cautionary tale due to its underlying message about the consequences of environmental degradation and unchecked industrialization. The story serves as a warning against the destructive impact of human activities on nature and highlights the urgent need for responsible stewardship of the environment. Through the character of the Lorax, who speaks for the trees, the author, Dr. Seuss, emphasizes the importance of listening to and respecting nature's voice. The cautionary aspect of the tale lies in its portrayal of the dire consequences faced by the inhabitants of the Truffula Forest when their environment is compromised by the greedy Once-ler's greed for profit. Ultimately, "The Lorax" aims to raise awareness about ecological issues and encourages readers to take action to protect and preserve the environment for future generations.