as of february 2010, bd was ranked 18th in the epa fortune 500 list of green power purchasers. bd was also listed among the top 100 companies in newsweek's 2009 green rankings ranking of the 500 largest american corporations based on environmental performance, policies, and reputation. bd placed third in the health care sector and 83rd overall. in addition, bd has been a component of the dow jones sustainability world index and the dow jones sustainability north america index for the four and five consecutive years, respectively.