Your True Nature Environmental Education Curriculum is based on its popular Advice from Nature product line found on bookmarks, greeting cards, T-shirts and many other products. The company uses a portion of its profits to plant trees, fund environmental organizations, and support teachers with free curriculum and materials at Your True Nature curriculum. K12 master plans for writing and character education as well as this environmental education plan have been created. You will also find a variety of lessons for specific topics and grade levels.