Grosvenor School Vermicomposting System


The students, staff and community of Grosvenor School work together to help the climate and the local environment by preventing food waste from entering the landfill. Instead of the food rotting and emitting greenhouse gases, it is composted using worms and incorporated into the school garden boxes where it will help to grow healthy plants.


To start a vermicomposting system at Grosvenor School, we purchased a “worm farm”, set it up and populated it with red wriggler worms. We also purchased some accessories like gloves, trowels, a soil sifter and a storage bin that we will need when it is time to harvest some of the worm castings in a few months. Since it was so recently that we started this project, we are still in the early phases of our action plan. However, in just a few short weeks, the students have already added 2 kg of food waste to the vermicomposter, diverting it from the landfill. In addition, the students are currently planning and composing a message to share with the school community about the new vermicomposting system before the end of the school year in June. They will develop and troubleshoot the routine of collecting and weighing food waste, and washing collection pails, etc.. While there is not a lot of time left before the summer break, we will be ready to implement the vermicomposting program in an even stronger way starting in the new school year.

3. Good Health and Well-Being
11. Sustainable Cities and Communities
12. Responsible Consumption and Production
13. Climate Action
15. Life on Land
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