- Green Janitorial Operations: Adding Environmental Performance into Your Cleaning Program
- Guidance and Training on Greening Your Janitorial Business
Working in conjunction with NISH, DOI is promoting the use of environmentally preferable cleaning products and practices in federal buildings, teaming with the federal government's largest custodial service provider.
- NPS' Green Janitorial Products and Practices Guide
- DOI Green Cleaning at the Main Interior Building
- DOI/JWOD Green Cleaning Partnership
- Yellowstone National Park Uses Environmentally Preferable Cleaners