The videos listed below are available through the San Luis Obispo County Office of Education, Educational Technology Center. Call (805) 782-7291 for information.
• The Rotten Truth. 30 min, grades 3-8. Covers natural resources, recycling, landfills, decomposition.
• Wormania! 26 min, grades K-4. Features close-ups of worms, how they break down organic material and worm reproduction.
You might also consider the following videos, available on YouTube or Vimeo: