Oil spills can spread for hundreds of miles in water. Animals can die if they eat litter. These are just two of the many ways pollution can damage the environment. Readers discover the dangers of pollution, as well as some of the ways people, including children, can do their part to clean up the planet. This essential environmental lesson is presented in clear language geared toward early learners. Additional information is highlighted in fact boxes. Vivid photographs provide a closer look at the harm pollution can do, as well as the beauty of the natural world we must protect.