Waste-Reduction & Resource Awareness Program (WRRAP)

Funded by Associated Students


sustainability at HSU

Fall 2015 Monthly Earth Tub Tours

When 3rd Tuesday of Every Month

Where Meet outside the College Creek Marketplace

Time 2:00p 

Contact wrrap@humboldt.edu for more information


Welcome to the Compost Squad

The Compost Squad is a student-run team that collects food and green waste on campus and turns it into a rich soil supplement. Diverting 500lbs per week, the student team is busy with year-round collections and production. 

Compost Facts
  • 2012: 36 million tons of food waste; 5% diverted from landfills and incinerators for composting
  • Vermicomposting: composting with worms in an enclosed, convenient, low maintainence worm bin
  • Worms eat two times their bodyweight every single day!
  • Most efficient composting occurs with a carbon to nitrogen ratio of 30 to 1
  • When food rots in a landfill, it produces methane, a gas with 21 times the global warming potential of carbon dioxide.
  • More than 20% of all methane emissions: human-related
  • Humboldt State's Earth Tub is designed specifically for on-site composting of food-waste. 
  • We have Earth Tub tours!
  • The Earth Tub is a fully enclosed composting vessel featuring power mixing, compost aeration, and biofiltration of all process air.
  • The ET is capable of processing as little as 40lbs per day or as much as 500lbs per day.



volunteer opportunities

  • Learn the basics of compost by helping at the compost site
  • Help plan events such as May Day, Pumpkins To Bins, and SLAM Fest
  • Build support from campus administration to support a new compost site.

Contact: wrrap@humboldt.edu