Dig deeper into your study of the environment and natural resources with this complete bundle! Two engaging units include 20 days total of lesson plans. Topics include pollution, reforestation, natural resources, energy sources, environmental effects, and more. Units can be used separately during the school year or together. Perfect to use around Earth Day each year!Humans and the Environment UnitLessons cover: how humans impact the environment (both positively & negatively)pollution (la