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PLT, an initiative of the Sustainable Forestry Initiative, is an award-winning environmental education program and standards-aligned curriculum.

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As the state sponsor of PLT, Maine TREE engages a network of teachers, informal educators, parents, and community leaders throughout the state to “teach students how to think, not what to think.”

Project Learning Tree Maine is written over a light green Maine State shape and a stylized pine tree beside it

Professional Development Workshops

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PLT-focused professional development opportunities offer experiential, field-based, interdisciplinary tools for effective outdoor lessons. PLT meets and provides alignment with standards, including Maine’s Common Core Standards, Next Generation of Science Standards, STEM & Proficiency-Based Learning.​

Guides & Curriculum

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Headlined by Explore your Environment: K-8 Activity GuideProject Learning Tree’s award-winning environmental education curriculums and guides contain forest-based activities for all ages. 

Learn more!

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