The chapters follow a clear, uniform structure. Introductory pages motivate learning, while photos and the rainbow tasks introduce the topic. Chapter outlines indicate the connection with reading and language books. Fundamental terms are highlighted and explained in the reference section. Colors, text types, and tasks with varying levels of difficulty, along with design elements, promote individual learning. The companions, Detective and Dog, introduce ideas with humor, initiate problem-solving paths, provide commentary, or ask questions. The friends' pages at the end of the chapter encourage individual exploration. German. Learning together, but differentiated. The Environmental Friends excite with content-related interconnected themes, each accompanied by appropriate level-differentiated tasks. The color coding of tasks aids in orientation. All children work cooperatively on a topic and contribute to the overall result. Opportunities for qualified self-reflection are provided at the end of each chapter. Supporting children in acquiring competencies, fostering them according to their performance capabilities, and expanding their subject knowledge - with this approach, the Environmental Friends enrich your teaching. Actively embark on a journey of discovery. Action-oriented learning is at the forefront of the Environmental Friends: method books, experiments, and tasks impart knowledge, learning strategies, and language skills. In addition to guidance and support for exploration and experimentation, children also find ideas for further activities such as excursions. The Environmental Friends form an interdisciplinary connection with the Language Friends and the Reading Friends.