A study examined the potential for sustainable purchasing. Researchers used a variety of methods to gather information, including reviewing documents and visiting sites. This approach allowed them to compare what suppliers said they did with what was actually happening.

The goal was to understand what was needed for procurement systems to become more environmentally friendly. Further details about the study are available from the source. The research aimed to identify suppliers who could provide sustainable alternatives and understand the challenges they faced.

The study's findings are based on a thorough analysis of the information gathered during the research process.