| Unit Title | Author | |
|---|---|---|
2016 | ||
| Bruce S. Karpe | ||
| Keywords: batteries, Chemistry, Electronic Waste, Environmental Science, High School, Physical Science, recycling, Science, sustainability, trash | ||
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2015 | ||
| Tiffany Moyer | ||
| Keywords: literacy, litter, Math, recycling, Science, social studies, trash, waste | ||
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| Marie P. Clarke | ||
| Keywords: changemakers, Ecology, incinerators, landfill, pollution, recycle, reduce, reuse, solutions, trash | ||
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