What can we do to help protect our planet? Can middle grades students learn about climate change, global warming and carbon emissions in a developmentally-appropriate way? Can they calculate their carbon footprint? Absolutely! Here's a no-prep lesson with worksheets for your students in grades 5-8. It is perfect for an Earth Science Unit or an Earth Day Activity!This integrated math and earth science lesson contains a one-page handout that explains the relationship between climate change, fossil