PA Environment Digest Blog – Keep Pennsylvania Beautiful is offering supplemental learning tools for in-class, virtual or homeschoolers through their Open Your Eyes to Litter series of five books. The books provide hands-on learning and are appropriate for grades K through six. Each book addresses the Department of Education Academic Standards for Environment, Ecology and Geography and has a supplementary Teacher’s Guide that suggests multi-disciplined educational activities that expands on the information, ideas, and activities that are included in each book.