Treehouse is an online learning platform that offers courses in coding, web development, design, and business. It's popular for its beginner-friendly content, interactive exercises, and video-based lessons. Treehouse follows a structured curriculum called Tracks, which guide users through specific learning goals, such as becoming a front-end developer or data analyst. The platform emphasizes hands-on learning with quizzes and coding challenges.

TREE (Teaching and Research in Environmental Education) is a program focused on promoting environmental awareness and sustainable practices through education and research. It may refer to different initiatives globally that aim to improve environmental literacy in schools and communities. These programs often involve fieldwork, conservation projects, and curriculum development to help learners connect with nature and make informed environmental decisions.

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