halloween dogs

Tips for a More Compassionate, Earth-friendly, Healthy Halloween

by Marsha Rakestraw According to the National Retail Federation, people in the US are planning to spend about $9 billion dollars on Halloween in 2018, an average of almost $87 per person. That’s a lot of candy corn and plastic fangs. And the biggest growth trend is in pet costumes. There are numerous reasons to…

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plastic trash washed up from the ocean

An Ocean of Plastic

Using the five gyres of plastic pollution as a springboard, this activity encourages participants to explore the issues surrounding trash in our oceans and to develop solutions. Recommended for grades 3-5 Time: 3 to 4 60-minute sessions  

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train station

A Gathering Crowd: Functions & Rates of Change

Is human population growth threatening to overshoot and jeopardize the earth’s carrying capacity?  If so, what can be done about it? In this activity, students will be able to: describe and model human population growth during the past 600 years with an exponential function, considering both the total amount of growth and average and/or instantaneous…

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Resources: Sustainer

Sustainer

Students become castaways on a remote and pristine island and must determine how to live in a way that is sustainable for all people, animals, and the island itself. Recommended for grades 8 and up. Time: several weeks Common Core Standards for this activity (pdf): Download Common Core for grade 8. Download Common Core for…

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Resources: Greatest Impact

Greatest Impact

Groups of students analyze the impact of behaviors and product choices to determine which choices have the greatest impact on the environment, on human health and well-being, and on other species. Recommended for grades 9 and up. Time: Several weeks to a month   Common Core Standards for this activity (pdf): Download Common Core for…

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