Should a Picture Book Teach About the Apocalypse?

Books have a responsibility to teach. That's all this is. It's a tool.
Is the dichotomy too much? A picture book.... about the end of the world... it's teaching consequence...

There are consequences to mistreating the environment, and children need to be taught that. I know they hear about it at school and learn which leaves are which, and that frogs eat bugs, and bees are important pollinators, but that's just stating the obvious. What about opening the class with - What if there wer...