Collecting food waste to make compost

During the Climate Friendly School workshop, Team Green students decided to focus on collecting food waste and establishing a compost in term 2.

We invited Wastebusters Dr Compost to explain about compost and for some guidance on how to start: a food waste audit. We decide to collect the food waste from two classes for two weeks. It is probably not enough but we are a small group and only have 45 minutes per week!

Week One: We designed a poster, contacted teachers in charge, and sourced bins. We choose a Year 7 and a year 8 class.

Food waste bin poster

Week Two: we installed the bins in the two rooms with the posters on them and talked to the teachers -who had both agreed- so that they promote their use to their students. We created a system and a roster to go and empty the bins.

Week Three: No one had emptied to bins! So we go and do this together, it is quite hard work, smelly! And cleaning the bins is also a messy business.

Week-Four: We go again to empty the bins and weigh the result:

7.5kg of food waste collected in 2 weeks from 2 classes

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Comments:

  • There were no wrappers in them. That’s very good. Only one paper napkin found in 2 weeks.
  • There is lots of citrus and bread
  • There are many fruit stickers. And we know they do not compost.
  • There is less food waste the second week than the first. Did people forget? Is it too difficult to  open the lid?
  • It is difficult to wash the bins. We need a brush. And a place to empty the water with food leftovers in it. People will wash their own bins so we need to make it easy.
  • A teacher comments the bin were too big for her class. So we put it out. Will we have a bucket -with lid- per class or a central bigger bin?

 

 

 

 

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