Green Rankings the top 500 list

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

Green Ranking Top List
Rank Company Industry Sector Green Score Environmental Impact Score Green Policies and Performance Score Reputation Survey Score
500. Peabody Energy  Basic Materials 1.00 0.20 16.12 42.26
499. NRG Energy  Utilities 22.75 0.80 15.49 29.72
498. Allegheny Energy  Utilities 25.04 0.60 42.11 24.23
496. Consol Energy  Basic Materials 28.65 1.80 4.59 44.71
495. Ameren  Utilities 31.63 1.20 28.05 31.34
494. American Electric Power  Utilities 33.17 1.00 29.48 47.68
493. Bunge  Food and Beverage 33.96 2.20 3.95 21.11
492. Southern  Utilities 36.54 1.40 43.06 23.76
491. FirstEnergy  Utilities 43.15 2.40 16.89 32.46
490. Duke Energy  Utilities 44.91 1.60 48.32 58.59
488. PPL  Utilities 46.23 2.60 23.88 33.74
489. Progress Energy  Utilities 46.23 2.00 37.10 31.19
487. AES  Utilities 47.89 2.70 23.19 34.04
486. Archer Daniels Midland  Food and Beverage 47.94 4.10 20.06 22.33
485. Monsanto  Food and Beverage 49.55 3.10 26.91 24.11
484. Vulcan Materials  General Industrials 51.29 6.40 15.25 22.78
483. Scana  Utilities 51.57 4.70 22.67 34.64
482. CMS Energy  Utilities 52.79 5.60 23.41 23.68
481. Dominion Resources  Utilities 56.27 3.30 41.90 34.97

* 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. www.kld.com

  • 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. www.trucost.com

  • Corporate Register Logo

    CorporateRegister.com 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. www.corporateregister.com.

  • ASAP Media Logo

    ASAP Media, founded by journalists/editors Peter Bernstein (pbernstein@asap-partners.com) and Annalyn Swan (aswan@asap-partners.com), 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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