White bird flying over wetlands, one of the four areas that serve as a carbon sink on Earth

Counting Carbon

Students solve word problems and use packing peanuts to visualize how much CO2 is produced daily by...
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Bring Learning Outdoors for Earth Day

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Distance Learning Lessons to Celebrate Earth Day

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Water Education for a Crowded World: Interactive Lessons and Tools

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SEL Activities for Global Citizenship and Environmental Literacy

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Eco-Modeling for Earth Day: Memorable Lessons for K-8 Learners

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Earth Day Activities for Elementary Students

Packet of 2025 Earth Day lesson plans for K – 5th grades is free to download! Perfect...
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Teaching Population is an online lesson plan library for K-12 teachers on population, sustainability and global studies

Teaching Population: Hands-on Activities

"Best of" library of readings and lesson plans with interactive methods for all subject areas.
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Las personas y los recursos (People and Resources)

A reading for upper elementary grades that provides an age-appropriate overview of world population trends and lifestyles...
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"The activities not only bring out important content, but they also provide real-world context for environmental, population and sustainability issues. They engage participants in very thought-provoking and critical-thinking discussions.”

Helen de la Maza, Environmental Educator, Irvine, CA
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