Green Rankings

Our exclusive environmental ranking of America's 500 largest corporations.

Read the Main Article
Read the Methodology Green Ranking Top List

The Top 10

  • 1.

    "Strong programs to reduce GHG emissions. The first major IT company to report GHG emissions...

  • 2.

    "Ranks 4th among the top U.S. corporate users of renewable energy; headquarters uses 100% renewable...

  • 3.
    Johnson & Johnson

    "Its commitment to climate change is rare for its peer group and has strong environmental...

  • 4.

    "Largest corporate purchaser of renewable energy in the US, equivalent to 46% of company's US...

  • 5.

    "Has had formal environmental policies since 1971. All new employees undergo environmental awareness training. Ultra...


* Due to a miscalculation, the Green Rankings significantly overstated ConAgra’s Water Use, thus giving it an incorrect Environmental Impact Score and Green Score. ConAgra should have been ranked 342 overall. ConAgra’s Environmental Impact Score and Green Score are not directly comparable to other company scores due to the miscalculation previously noted. We regret the error.

Resource Providers:

  • KLD Logo

    KLD Research & Analytics, Inc., an independent investment research firm, served as lead data consultant and calculated the rankings It was also responsible for generating the Green Policies and Performance section of the rankings. KLD analyzes environmental, social and governance data on companies worldwide.

  • TruCost Logo

    Trucost, a leading international environmental data firm, specializes in quantitative performance measurement and management. The Environmental Impact Score in the rankings is based on its global database.

  • Corporate Register Logo conducted the Reputation Survey for the green rankings. Based in London, it is the world’s largest online directory of company-issued social responsibility, sustainability and environment reports.

  • ASAP Media Logo

    ASAP Media, founded by journalists/editors Peter Bernstein ( and Annalyn Swan (, served as Newsweek’s editorial partner, initiating and coordinating the green rankings project. ASAP Media specializes in creating magazine, book and web content.

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