- Federal Sustainable Site Development Best Practiceswww.fedcenter.gov
- GSA Sustainability Landscaping Practiceswww.gsa.gov
- New Research: Best Practices for Contractor Safety (CDC NIOSH)www.blogs.cdc.gov/niosh-science-blog/2015/10/01/nsc-contractor-safety
- OSHA Recommended Practices for Safety in Constructionwww.osha.gov/sites/default/files/publications/OSHA3886.pdf
- US Botanic Garden Sustainable Landscaping (SITES)www.usbg.gov
- US EPA Water-Smart Landscaping Tipswww.epa.gov/watersense/landscaping-tips
