When Hector notices litter floating in the pond at the park, Leo the paintbrush teaches him about the importance of respecting nature and the environment. Together, Hector and Leo learn about the different ways we can protect our planet. Additional features to aid comprehension include a table of contents, a section on using respectful words, a S.T.E.A.M. activity, a phonetic glossary, sources for further research including web sites, an index, and an introduction to the author.