Trucost specializes in quantitative measurements of environmental performance and holds the most extensive data available on corporate environmental impacts. The company calculated the Environmental Impact Score for each company based on over 700 metrics, including greenhouse-gas emissions, water use, solid-waste disposal, and acid-rain emissions.
Sustainalytics is known for its credible and independent environmental, social and governance (ESG) analysis and its vast universe of research coverage (including U.S., global and emerging markets companies). Its assessment of each company’s environmental policies, management systems, and programs informed the Environmental Management Score for this year’s Green Rankings.
How we calculated this year’s Green Rankings.
Frequently asked questions about our fourth annual environmental ranking.
As part of a continued effort to improve our transparency, we are providing a deeper dive into scoring.
Back in June, Newsweek and its research partners presented an online workshop about the methodology behind Green Rankings. Re-watch it here.
How green is a smartphone? Andrew Blum looked into the iPhone—and it turns out the news is good.
An in-depth look at each of the 20 industry sectors.
Companies ignore the magnitude of their supply-chain environmental impacts—and the environmental and financial risks and opportunities that they represent—at their own peril, writes James Salo.
Changes in ranking methodology have led to a shakeup in the results, and have brought welcome transparency and empiricism to a complicated analysis. John Elkington reports.
Many firms that rank high on environmental lists also lobby for non-green policies, say Aaron Chatterji and Michael Toffel.
Even companies with broad and aggressive environmental commitments are neglecting a core component of sustainability: worker health and safety. Heather Lang reports.
The move toward sustainability is upending the old ways of doing business. These days, less really is more, says David J. Vidal.
Several notable companies moved up or down in the rankings since 2011.
We are offering a new rating option for companies not eligible for our U.S. and Global 500 lists.